Two more people have been arrested after allegedly making threats against New York City police, days after two officers were gunned down, the NYPD said Thursday.

That makes six people so far who have been charged with either making terroristic threats against police or calling in false reports, police said.

Separately, the NYPD said a Queens man was arrested on weapon charges after a witness reported hearing him make threats against police.

The two latest threat arrests -- of Tyrone Melville, 41, of Manhattan, and Jose Maldonado, 26, of Brooklyn -- both occurred Wednesday, police said.

Melville allegedly called the 84th Precinct in Brooklyn at 4:30 a.m. Tuesday, referencing one of the slain officers and saying that he was going to "kill cops," while Maldonado allegedly made Facebook posts talking about killing police officers, according to police. Maldonado turned himself in to the 90th Precinct in Brooklyn on Wednesday, police said.

The two men were charged with making terroristic threats.

Elvin Payamps, 38, of Queens, was arrested Wednesday afternoon after a man at a bank on Metropolitan Avenue in Flushing said he overhead a man on his cellphone talk about having firearms and killing police. After police stopped a man nearby who matched the suspect's description, Payamps was arrested; police said a search of Payamps' home led to the recovery of two firearms, two bullet-resistant vests, brass knuckles and a holster.

Four others also have been arrested in previous days, according to police:

Devon Coley, 18, of Brooklyn was arrested Monday after allegedly making threats against police on Facebook.

Robert Bowman, 52, of Manhattan was charged with making a false report after allegedly calling 911 on Monday and saying his cousin planned to "go across the bridge" and "kill some cops."

Roberto Labita, 46, of Staten Island was arrested Tuesday after allegedly calling 911 to falsely report that a stranded motorist he picked up in his tow truck told him he was going to kill cops.

Yasin Shearin, 16, of Staten Island, was arrested Tuesday for allegedly posting terroristic threats against police on social media.

Law-enforcement officials said a total of about 40 threat cases have been received by the NYPD from a variety of law enforcement agencies and online sources, as well as 911 and 311 calls, since Saturday, when officers Wenjian Liu and Rafael Ramos were shot to death by a gunman as they sat in their vehicle in Brooklyn.

About 24 of the cases were closed, 15 remain open and eight were referred to other law enforcement agencies, said one official who didn't want to be named.

Local law enforcement officials along with other police agencies are also looking into about a half-dozen other cases of threats made against law enforcement as the NYPD cautioned its rank and file to be on guard for potential trouble.

With Emily Ngo and Rosemary Olander