The world reacts to Orlando nightclub massacre

American flags and a rainbow banners hang at the Paris City Hall Monday, June 13, 2016 in Paris. The Eiffel Tower will shine in the colors of a rainbow on Monday night to honor victims of the mass shooting at an Orlando gay club. (AP Photo/Christophe Ena)

The US Ambassador to Thailand Glyn T. Davies places a candle with vigil organizer Paisam Likhitpreechakul outside the US Embassy for those killed and wounded in the Sunday June 12, 2016 mass shooting at a gay nightclub in Orlando, Florida, in Bangkok, Thailand, Monday, June 13, 2016. The vigil was held for victims of the nightclub shooting which killed at least 50 people and was the deadliest U.S. mass shooting to date. (AP Photo/Mark Baker) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

People hold candles during a vigil to pay tribute to the victims of the Orlando shooting in Seoul, South Korea, Monday, June 13, 2016. The vigil was held for victims of the Orlando nightclub shooting which killed at least 50 people and was the deadliest U.S. mass shooting to date. (AP Photo/Ahn Young-joon) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

People attend a vigil in front of the United States embassy in Berlin, German, Monday, June 13, 2016 to honor the victims of the attack on the gay nightclub in Orlando, Fla. (AP Photo/Markus Schreiber) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

A man places a candle at an impromptu memorial set up in Sydney, Monday, June 13, 2016, following the Florida mass shooting at the Pulse Orlando nightclub where police say a gunman wielding an assault-type rifle opened fire, killing at least 50 people and wounding dozens. Australian Prime Minister Malcolm Turnbull said that the Orlando mass shooting was "an attack on all of us â on all our freedoms, the freedom to gather together, to celebrate, to share time with friends." (AP Photo/Rick Rycroft) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

A sign and flowers lie on the ground outside the US Embassy during a vigil for those killed and wounded in the Sunday June 12, 2016 mass shooting at a gay nightclub in Orlando, Florida, in Bangkok, Thailand, Monday, June 13, 2016. The vigil was held for victims of the nightclub shooting which killed at least 50 people and was the deadliest U.S. mass shooting to date. (AP Photo/Mark Baker) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

Students at an art institute in Mumbai, India, light candles after making a mural with colored powder as a tribute to those killed in the Sunday June 12, 2016 mass shooting at a gay nightclub in Orlando, Florida, Monday, June 13, 2016. The nightclub shooting which killed at least 50 people and was the deadliest U.S. mass shooting to date. (AP Photo/Rafiq Maqbool)

From right, Green party chairman Cem Ozdemir, Green party faction leader Katrin Goering- Eckardt and the United States ambassador to Germany, John B. Emerson, attend a vigil at United States embassy in Berlin, German, Monday, June 13, 2016 to honor the victims of the attack on the gay nightclub in Orlando, Fla. (AP Photo/Markus Schreiber) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

An impromptu memorial is set up in Sydney, Monday, June 13, 2016, following the Florida mass shooting at the Pulse Orlando nightclub where police say a gunman wielding an assault-type rifle opened fire, killing at least 50 people and wounding dozens. Australian Prime Minister Malcolm Turnbull said that the Orlando mass shooting was "an attack on all of us â on all our freedoms, the freedom to gather together, to celebrate, to share time with friends." (AP Photo/Rick Rycroft) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)

Spectators stand during a minutes silence in memory of the victims of the Orlando nightclub attack before play during day one of the 2016 Queen's grass-court tennis tounament in London Monday June 13, 2016. (Steve Paston/PA via AP) UNITED KINGDOM OUT NO SALES NO ARCHIVE

American flags and a rainbow banner hang at the Paris City Hall Monday, June 13, 2016 in Paris. The Eiffel Tower will shine in the colors of a rainbow on Monday night to honor victims of the mass shooting at an Orlando gay club. (AP Photo/Christophe Ena)

People hold candles during a vigil to pay tribute to the victims of yesterday's Orlando shooting in Seoul, South Korea, Monday, June 13, 2016. The vigil was held for victims of the nightclub shooting which killed at least 50 people and was the deadliest U.S. mass shooting to date. (AP Photo/Ahn Young-joon) (Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistribu)