President Donald Trump uses Twitter to break news, share his views and feud with critics and celebrities at all times of day or night. It can be hard to keep up — below are some of his noteworthy tweets since he became president.

They include recent tweets about the mass shooting in Las Vegas, protesting NFL players and North Korea, including a tweet that the North Korean foreign minister called a "declaration of war."

With Newsday staff and The Associated Press

'Crooked Hillary Clinton is the worst (and biggest) loser ...'

(Credit: @realDonaldTrump via Twitter)

'Why would Kim Jong-un insult me by calling me "old" ...'

(Credit: @realDonaldTrump via Twitter)

'Warmest condolences and sympathies to the victims ... of the terrible Las Vegas shooting'

Hours after a deadly mass shooting in Las
Hours after a deadly mass shooting in Las Vegas, President Donald Trump tweeted his condolences to the victims and their families on Monday, Oct. 2, 2017. Nearly 60 people were killed and more than 500 injured when a gunman opened fire from an upper floor of the Mandalay Bay hotel onto a crowd gathered for a country music festival on Sunday night, Oct. 1, 2017. (Credit: @realDonaldTrump via Twitter)

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'Standing with locked arms is good, kneeling is not acceptable'

Trump's calls to fire protesting players sparked a
Trump's calls to fire protesting players sparked a mass increase in demonstrations around the NFL on Sunday, Sept. 24, 2017, as more than 200 players knelt or sat during the national anthem. Other players, coaches and owners locked arms in a show of solidarity. The president responded with this afternoon tweet giving his approval of standing with locked arms while saying that "kneeling is not acceptable." He later retweeted a message calling for an NFL boycott. (Credit: @realDonaldTrump via Twitter)

Trump on protesting NFL players: 'Fire or suspend!'

Trump called for protesting NFL players to be
Trump called for protesting NFL players to be fired or suspended on Sunday morning, Sept. 24, 2017, while suggesting that "fans refuse to go to games until players stop disrespecting our Flag & Country." The Trump vs. NFL conflict, building for a few days, reached a new level during the national anthem at games on Sunday. (Credit: @realDonaldTrump via Twitter)

'League should back U.S.'

Trump called for protesting NFL players to be
(Credit: @realDonaldTrump via Twitter)

'If he echoes thoughts of Little Rocket Man, they won't be around much longer!'

This weekend tweet on North Korea's leadership was
This weekend tweet on North Korea's leadership was a "declaration of war," North Korean Foreign Minister Ri Yong Ho said two days later, on Monday, Sept. 25, 2017. He said North Korea has the right to self-defense and the right to retaliate by shooting down U.S. bombers, even in international airspace. The White House said hours later "We have not declared war" on North Korea. The Trump administration, referring to the president's tweet, clarified it is not seeking to overthrow the North Korean government. (Credit: @realDonaldTrump via Twitter)

Trump: Fire NFL players who don't stand for national anthem

This two-part message on Saturday, Sept. 23, 2017,
This two-part message on Saturday, Sept. 23, 2017, followed up on Trump's comments at a rally in Alabama the night before, when he said that NFL owners should fire players who kneel during the national anthem. "Wouldn't you love to see one of these NFL owners, when somebody disrespects our flag, you'd say, 'Get that son of a [expletive] off the field right now. Out! He's fired," Trump said, to loud applause, as he campaigned for Alabama Sen. Luther Strange. (Credit: @realDonaldTrump via Twitter)

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This two-part message on Saturday, Sept. 23, 2017,
(Credit: @realDonaldTrump via Twitter)

'Graham-Cassidy Bill is GREAT! Ends Ocare!'

This two-part message on Saturday, Sept. 23, 2017,
(Credit: @realDonaldTrump via Twitter)

Trump warns U.S. may 'have no choice but to totally destroy #NoKo'

If the United States
If the United States "is forced to defend itself or its allies, we will have no choice but to totally destroy North Korea," Trump warned, in the top news from his address to the United Nations General Assembly on Tuesday, Sept. 19, 2017. (Credit: @realDonaldTrump via Twitter)

'Asked him how Rocket Man is doing'

Trump deployed a new nickname with this tweet
Trump deployed a new nickname with this tweet -- for North Korean leader Kim Jong Un -- on Sunday, Sept. 17, 2017. "Rocket Man is on a suicide mission for himself and for his regime," Trump declared two days later, in his debut speech to the United Nations General Assembly. (Credit: @realDonaldTrump via Twitter)

'These are sick and demented people who were in the sights of Scotland Yard'

This Trump tweet after a London subway bombing
This Trump tweet after a London subway bombing on Friday, Sept. 15, 2017, was quickly rebuked by British Prime Minister Theresa May, who said, "I never think it's helpful for anybody to speculate on what is an ongoing investigation." Trump said he had been briefed on the explosion. The Associated Press later reported that the homemade bomb partially detonated, injuring 30 people. Trump also tweeted that day that his travel ban "should be far larger, tougher and more specific," and in another message said that "Our hearts & prayers go out to the people of London." (Credit: @realDonaldTrump via Twitter)

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'The "deplorables" came back to haunt Hillary'

This is one of two Trump tweets posted
This is one of two Trump tweets posted about Hillary Clinton on Wednesday, Sept. 13, 2017, the day after his 2016 rival's election memoir was published. On Sunday, Sept. 17, Trump retweeted an altered video clip that shows him striking and knocking over Clinton with a golf ball. (Credit: @realDonaldTrump via Twitter)

'Hurricane Irma is of epic proportion, perhaps bigger than we have ever seen'

Trump showed his preference for grand descriptions while
Trump showed his preference for grand descriptions while relaying a public safety message in this tweet on Friday, Sept. 8, 2017, as preparations were underway in Florida for the oncoming Hurricane Irma. (Credit: @realDonaldTrump via Twitter)

During DACA wind-down, 'you have nothing to worry about'

House Minority Leader Nancy Pelosi said this reassuring
House Minority Leader Nancy Pelosi said this reassuring tweet to Deferred Action for Childhood Arrivals recipients came at her urging. Trump's message on Thursday, Sept. 7, 2017, came a day after he struck a deal with Pelosi (D-Calif.) and Senate Minority Leader Chuck Schumer (D-N.Y.) on a three-month debt limit increase. (Credit: @realDonaldTrump via Twitter)

If Congress doesn't act on DACA, 'I will revisit this issue!'

This Trumpian tweet on Tuesday night, Sept. 5,
This Trumpian tweet on Tuesday night, Sept. 5, 2017, muddied the waters after the news earlier in the day that the administration was ending the Deferred Action for Childhood Arrivals program, seen below. (Credit: @realDonaldTrump via Twitter)

'Congress, get ready to do your job - DACA!'

This Trump tweet preceded the announcement by Attorney
This Trump tweet preceded the announcement by Attorney General Jeff Sessions that the Deferred Action for Childhood Arrivals program "started under President Obama is being rescinded," on Tuesday, Sept. 5, 2017. Trump's decision gives Congress six months to come up with a solution before the end of the five-year-old program, which protects from deportation about 800,000 young people who came to the United States illegally as children. Sessions called DACA "an open-ended circumvention of immigration laws" and showed "disrespect for the legislative process" by the Obama administration. (Credit: @realDonaldTrump via Twitter)

'North Korea has conducted a major Nuclear Test'

This Trump tweet preceded the announcement by Attorney
(Credit: @realDonaldTrump via Twitter)
Trump condemned the
Trump condemned the "rogue nation" of North Korea after it carried out its sixth nuclear test on Sunday, Sept. 3, 2017. Beyond calling the country's words and actions "very hostile and dangerous to the United States," he added, in his fifth and final tweet on the subject for the day, that the U.S. "is considering, in addition to other options, stopping all trade with any country doing business with North Korea." (Credit: @realDonaldTrump via Twitter)

Trump claims 'first hand' look at Harvey's 'horror & devastation'

During his visit to Texas the day before
During his visit to Texas the day before this tweet, on Tuesday, Aug. 29, 2017, Trump kept his distance from Harvey damage, avoiding areas ravaged by the storm's flooding. He previously said he did not want to cause disruption with his trip. (Credit: @realDonaldTrump via Twitter)

'Wow - Now experts are calling #Harvey a once in 500 year flood!'

During his visit to Texas the day before
(Credit: @realDonaldTrump via Twitter)

'I am pleased to inform you that I have just granted a full Pardon' to Arpaio

The president announced his pardon of former Maricopa
The president announced his pardon of former Maricopa County, Arizona, Sheriff Joe Arpaio as Hurricane Harvey bore down on the Texas coast on Friday night, Aug. 25, 2017. Arpaio was convicted of misdemeanor criminal contempt on July 31, after he prolonged patrols that profiled Latinos based on their perceived immigration status for 17 months after a judge ordered that they stop. Sen. John McCain (R-Ariz.) said that with the pardon, Trump "undermines his claim for the respect of rule of law." Trump stood by his decision in a news conference on Monday, Aug. 28, saying of Arpaio, "I think the people of Arizona who really know him best would agree with me." (Credit: @realDonaldTrump via Twitter)

Trump: My only problem with McConnell is 'he failed' on Obamacare

Trump criticized Senate Majority Leader Mitch McConnell in
Trump criticized Senate Majority Leader Mitch McConnell in this tweet on Thursday, Aug. 24, 2017, weeks after Republicans' latest attempt to repeal the Affordable Care Act failed, amid an increasingly public feud with him. In messages earlier Thursday morning, Trump said McConnell and his House counterpart, Speaker Paul Ryan, face "a mess" on a debt ceiling deal because they didn't listen to him. Trump also challenged McConnell in tweets on Aug. 9 and Aug. 10. (Credit: @realDonaldTrump via Twitter)

'They are just wasting time!'

Trump criticized Senate Majority Leader Mitch McConnell in
(Credit: @realDonaldTrump via Twitter)

'I love the Great State of Arizona' but ...

Trump criticized Senate Majority Leader Mitch McConnell in
(Credit: @realDonaldTrump via Twitter)

'Fake News needs the competition!'

Trump criticized Senate Majority Leader Mitch McConnell in
(Credit: @realDonaldTrump via Twitter)

Thanks Steve Bannon

Trump tweeted these messages about Stephen Bannon on
Trump tweeted these messages about Stephen Bannon on Saturday, Aug. 19, 2017, the day after his White House chief strategist left his administration. The economic nationalist and populist, who skirmished with other White House advisers he criticized as "moderates," told Bloomberg News he would be "going to war for Trump" on the outside -- and immediately rejoined Breitbart News as executive chairman. (Credit: @realDonaldTrump via Twitter)

'Be tough & strong, we love you!'

Trump tweeted these messages about Stephen Bannon on
(Credit: @realDonaldTrump via Twitter)

Trump on 'the history and culture of our great country being ripped apart'

Trump tweeted these messages about Stephen Bannon on
(Credit: @realDonaldTrump via Twitter)
Trump tweeted these messages about Stephen Bannon on
(Credit: @realDonaldTrump via Twitter)
Following a combative news conference two days prior,
Following a combative news conference two days prior, in which he attributed blame for Charlottesville violence to "both sides," Trump commented Thursday, Aug. 17, 2017, on the removal of Confederate monuments. (Credit: @realDonaldTrump via Twitter)

'Highest Stock Market EVER, best economic numbers in years ... No WH chaos!'

Following a combative news conference two days prior,
(Credit: @realDonaldTrump via Twitter)

U.S. will not allow 'Transgender individuals to serve in any capacity in the U.S. Military'

Following a combative news conference two days prior,
(Credit: @realDonaldTrump via Twitter)
Following a combative news conference two days prior,
(Credit: @realDonaldTrump via Twitter)
Trump announced Wednesday, July 26, 2017, that transgender
Trump announced Wednesday, July 26, 2017, that transgender individuals would not be allowed to serve in the U.S. military "in any capacity," citing the "tremendous medical costs and disruption that transgender in the military would entail." (Credit: @realDonaldTrump via Twitter)

'Sessions has taken a VERY weak position on Hillary Clinton'

Trump launched a fresh tirade Tuesday, July 25,
Trump launched a fresh tirade Tuesday, July 25, 2017, against Attorney General Jeff Sessions, calling him "very weak" on Hillary Clinton and "leakers." Trump speculated aloud to allies about the potential consequences of firing Sessions, according to three people who had recently spoken to the president. (Credit: @realDonaldTrump via Twitter)

'Big day for HealthCare'

Trump tweeted this message Tuesday, July 25, 2017,
Trump tweeted this message Tuesday, July 25, 2017, urging Republicans to "step up to the plate" for a crucial Senate vote on their bill eviscerating much of the Obama health care law. The stage was set for high drama, with Sen. John McCain returning to the Capitol to cast his first vote since being diagnosed with brain cancer. (Credit: @realDonaldTrump via Twitter)

'The Dems are obstructionists but the Republicans can have a great victory'

Trump tweeted this message Tuesday, July 25, 2017,
(Credit: @realDonaldTrump via Twitter)

'The Dems scream death as OCare dies!'

Trump tweeted this message Tuesday, July 25, 2017,
(Credit: @realDonaldTrump via Twitter)

'Even a dinner arranged ... is made to look sinister!'

Trump tweeted this message Tuesday, July 25, 2017,
(Credit: @realDonaldTrump via Twitter)

Trump responds to news reports of a 'secret dinner' with Putin

Trump tweeted this message Tuesday, July 25, 2017,
(Credit: @realDonaldTrump via Twitter)

'The Senate must go to a 51 vote majority instead of current 60 votes'

Trump tweeted this message Tuesday, July 25, 2017,
(Credit: @realDonaldTrump via Twitter)

Trump after latest health care setback: 'We will return!'

Trump tweeted this message on Tuesday morning, July
Trump tweeted this message on Tuesday morning, July 18, 2017, after two more Republican senators came out against an immediate-repeal-and-replace Obamacare bill late Monday, leading to the collapse of the GOP legislation. He struck an optimistic note with "We will return!," then added in another tweet minutes later, "As I have always said, let ObamaCare fail and then come together and do a great healthcare plan. Stay tuned!" (Credit: @realDonaldTrump via Twitter)

'Most politicians would have gone to a meeting like the one Don jr attended'

With this tweet on Monday, July 17, 2017,
With this tweet on Monday, July 17, 2017, Trump again defended the meeting his eldest son took in June 2016 for Kremlin-gathered dirt on his Democratic presidential opponent, Hillary Clinton -- and cast it as par-for-the-course. Donald Trump Jr. has said the brief meeting resulted in no compromising information. (Credit: @realDonaldTrump via Twitter)

'#Fake News is DISTORTING DEMOCRACY in our country!'

With this tweet on Monday, July 17, 2017,
(Credit: @realDonaldTrump via Twitter)

In which Trump uses a French hashtag

After his return from a two-day visit to
After his return from a two-day visit to Paris, President Trump tweeted this highly produced video -- and employed a French hashtag, #14juillet. (Credit: @realDonaldTrump via Twitter)

'I have very little time for watching T.V.'

After his return from a two-day visit to
(Credit: @realDonaldTrump via Twitter)

Trump on what '''sources say" from the Fake Media' means

After his return from a two-day visit to
(Credit: @realDonaldTrump via Twitter)

'He was open, transparent and innocent'

President Trump praised Donald Trump Jr. and defended
President Trump praised Donald Trump Jr. and defended him as a victim of "the greatest Witch Hunt in political history" on Wednesday, July 12, 2017, as he commented on the meeting that his eldest son took in June 2016 for Kremlin-gathered dirt on Hillary Clinton. (Credit: @realDonaldTrump via Twitter)
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