The world is mourning the lives lost in a mass shooting in Florida on June 12, 2016.

Authorities say a gunman opened fire at Pulse nightclub in Orlando. He killed 49 people and wounded another 53.

See photos of tributes around the world.

California

Larry Pascua hugs a friend at a makeshift
Larry Pascua hugs a friend at a makeshift vigil in San Francisco on June 12, 2016, following an attack on a gay nightclub in Orlando the day before. (Credit: Getty Images / Andrew Burton)
Mourner Henry Duong attends a memorial service in
Mourner Henry Duong attends a memorial service in San Diego on June 12, 2016, for the victims of the Orlando nightclub shooting. (Credit: AFP / Getty Images / Sandy Huffaker)
A pride flag stands at half mast during
A pride flag stands at half mast during a memorial service in San Diego, California, on June 12, 2016, for the victims of the Orlando nightclub shooting. (Credit: AFP / Getty Images / Sandy Huffaker)

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Texas

In Dallas, mourners hold an LED sign showing
In Dallas, mourners hold an LED sign showing their support as they march during a vigil for the Orlando mass shooting victims on June 12, 2016. (Credit: Getty Images / Laura Buckman)
At a vigil in Dallas, candles burn in
At a vigil in Dallas, candles burn in memory of the victims of the Orlando nightclub shooting on June 12, 2016. (Credit: Getty Images / Laura Buckman)

New Zealand

The Michael Fowler Centre in Wellington, New Zealand,
The Michael Fowler Centre in Wellington, New Zealand, is awash in the colors of the rainbow on June 13, 2016 in remembrance of victims of the Orlando nightclub mass shooting. (Credit: Getty Images / Marty Melville)
In New Zealand, a candlelight vigil illuminates Frank
In New Zealand, a candlelight vigil illuminates Frank Kits Park in Wellington on June 13, 2016, remembering the victims of the Orlando, Florida nightclub mass shooting. (Credit: Getty Images / Marty Melville)

Russia

A woman lays flowers in front of the
A woman lays flowers in front of the U.S. embassy in Moscow as she pays tribute to the victims of a mass shooting at a gay nightclub in Orlando on June 13, 2016. (Credit: Getty Images / Vasily Maximov)

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Australia

Mourners attend a candlelight vigil at Newtown Neighbourhood
Mourners attend a candlelight vigil at Newtown Neighbourhood Centre in Sydney, Australia on June 13, 2016, in tribute to the victims of the Orlando nightclub mass shooting. (Credit: Getty Images / Daniel Munoz)

Germany

The front of the U.S. Embassy in Berlin
The front of the U.S. Embassy in Berlin is bedecked with flowers, candles and rainbow flags on June 13, 2016, as people pay tribute to the victims of the Orlando, Florida nightclub mass shooting. (Credit: Getty Images / John Macdougall)

New York

People hug outside The Stonewall Inn's makeshift memorial
People hug outside The Stonewall Inn's makeshift memorial in Manhattan on Sunday, June 12, 2016, after a mass shooting at a gay nightclub in Orlando, Florida. (Credit: AFP / Getty Images / Bryan R. Smith)
People gather at The Stonewall Inn in Manhattan
People gather at The Stonewall Inn in Manhattan on Sunday, June 12, 2016, at a vigil for Orlando, Fla., shooting victims. A gunman armed with an assault rifle and handgun killed 49 people and wounded 53 at Pulse, a gay nightclub in Orlando, in what officials termed the worst mass shooting in U.S. history. (Credit: Charles Eckert)
The Empire State Building goes dark in Manhattan
The Empire State Building goes dark in Manhattan on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Fla. (Credit: AFP / Getty Images / Bryan R. Smith)

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The City Hall Building is lit in the
The City Hall Building is lit in the rainbow colors in Manhattan on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Fla. (Credit: AFP / Getty Images / Bryan R. Smith)
One World Trade Center is lit in the
One World Trade Center is lit in the rainbow colors in Manhattan on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Fla. (Credit: AFP / Getty Images / Bryan R. Smith)

Florida

A man places a hand print on a
A man places a hand print on a makeshift memorial in a parking lot near the Pulse nightclub in Orlando, Florida, on Sunday, June 12, 2016, after a mass shooting. (Credit: AFP / Getty Images / Mandel Ngan)
People hold vigil outside the Orlando Regional Medical
People hold vigil outside the Orlando Regional Medical Center after a mass shooting in Orlando, Florida, on Sunday, June 12, 2016. (Credit: Getty Images / Gregg Newton)
People mourn for the Florida shooting victims near
People mourn for the Florida shooting victims near Pulse nightclub in Orlando, on Sunday, June 12, 2016. (Credit: Getty Images / Handout)
Supported by a friend, a man weeps for
Supported by a friend, a man weeps for victims of the mass shooting near the scene in Orlando, Florida, on Sunday, June 12, 2016. (Credit: Getty Images / Gregg Newton)
A woman is overcome with emotion about a
A woman is overcome with emotion about a block away from the Pulse nightclub in Orlando, Florida, after a mass shooting on Sunday, June 12, 2016. (Credit: Getty Images / Gregg Newton)

Washington, D.C.

A woman offers free hugs in Washington, D.C.,
A woman offers free hugs in Washington, D.C., on Sunday, June 12, 2016, in reaction to the mass shootings at a gay nightclub in Orlando, Florida. (Credit: AFP / Getty Images / Andrew Caballero-Reynolds)
A mourner speaks during a vigil in Washington,
A mourner speaks during a vigil in Washington, D.C., on June 12, 2016, in reaction to the mass shooting at a gay nightclub in Orlando, Fla. (Credit: AFP / Getty Images / Andrew Caballero-Reynolds)

Pennsylvania

Austin Ellis, a member of Metropolitan Community Church,
Austin Ellis, a member of Metropolitan Community Church, carries a cross bearing a sign in memory of the victims of the Pulse nightclub shooting as he marches in the 2016 Gay Pride Parade on Sunday, June 12, 2016, in Philadelphia. (Credit: Getty Images / Jessica Kourkounis)

France

People gather for a vigil near the Beaubourg
People gather for a vigil near the Beaubourg art center in downtown Paris on Sunday, June 12, 2016, to mourn for victims of a mass shooting in Orlando, Florida. (Credit: AFP / Getty Images / Geoffroy Van Der Hasselt)
People holding rainbow flags gather for a vigil
People holding rainbow flags gather for a vigil near the Beaubourg art center in downtown Paris on Sunday, June 12, 2016, to mourn for victims of a mass shooting in Orlando, Florida. (Credit: AFP / Getty Images / Geoffroy Van Der Hasselt)

Spain

People stand in front of the U.S. Embassy
People stand in front of the U.S. Embassy in Madrid on Sunday, June 12, 2016, to pay tribute to the victims of a mass shooting in Orlando, Fla. (Credit: Getty Images / Gerard Julien)

Mexico

People light candles outside the American consulate during
People light candles outside the American consulate during a vigil in Guadalajara, Mexico, on June 12, 2016, to mourn the victims of the mass shooting that occurred overnight in Orlando, Fla., at the Pulse gay nightclub. (Credit: AFP / Getty Images / Hector Guerrero)