![A man reacts at a street memorial following Tuesday's bomb attacks in Brussels, Belgium, March 23, 2016.](https://api.time.com/wp-content/uploads/2016/03/belgium-terrorist-attack-mourning-1.jpg?quality=85&w=2400)
By TIME Photo
Updated: | Originally published: ;
![A man reacts at a street memorial following Tuesday's bomb attacks in Brussels, Belgium, March 23, 2016.](https://api.time.com/wp-content/uploads/2016/03/belgium-terrorist-attack-mourning-1.jpg?quality=75&w=2400)
![People write messages in a tribute at Place de la Bourse to the many people killed and injured in multiple terrorist attacks the day before across Brussels, Belgium, March 23, 2016.](https://api.time.com/wp-content/uploads/2016/03/belgium-terrorist-attack-mourning-2.jpg?quality=75&w=2400)
![People bring flowers and candles to mourn at the Place de la Bourse in the center of Brussels, Belgium, March 22, 2016.](https://api.time.com/wp-content/uploads/2016/03/e9aa73390b4f4b79900eb2fca21875af-0.jpg?quality=75&w=2400)
![People bring flowers to Belgian Embassy in Moscow to pay tribute to Brussels attacks victims People bring flowers to the Belgian Embassy in Moscow to pay tribute to the Brussels terror attacks victims.](https://api.time.com/wp-content/uploads/2016/03/brussels-belgium-terror-attacks-chalk-flowers-04.jpg?quality=75&w=2400)
![BELGIUM-ATTACKS People write messages in chalk at Place de la Bourse following attacks in Brussels, Belgium, March 22, 2016.](https://api.time.com/wp-content/uploads/2016/03/brussels-belgium-terror-attacks-chalk-flowers-01.jpg?quality=75&w=2400)
![A woman mourning the victims of the Brussels terrorist attacks cries in front of the the city hall of Paris where people gather as a tribute, March 22, 2016.](https://api.time.com/wp-content/uploads/2016/03/afp_905h6.jpg?quality=75&w=2400)
![Brussels Airport And Metro Rocked By Explosions People gather to leave tributes at the Place de la Bourse following the terrorist attacks on March 22, 2016 in Brussels, Belgium.](https://api.time.com/wp-content/uploads/2016/03/brussels-attack-tribute-3.jpg?quality=75&w=2400)
![Brussels Airport And Metro Rocked By Explosions A young girl lights a candle at the Place de la Bourse following the attacks on March 22, 2016 in Brussels, Belgium.](https://api.time.com/wp-content/uploads/2016/03/brussels-attack-tribute-1.jpg?quality=75&w=2400)
![Parisians Gather At Hotel de Ville As A Show Of Solidarity Following Brussels Attacks People gather in front of the Hotel de Ville to pay tribute to the victims of the terrorists attacks in Brussels, Belgium on March 22, 2016.](https://api.time.com/wp-content/uploads/2016/03/brussels-attack-tribute-2.jpg?quality=75&w=2400)
![People gather to sing songs as a mark of solidarity at the Place de la Bourse in Brussels, Belgium, March 22, 2016.](https://api.time.com/wp-content/uploads/2016/03/516967158.jpg?quality=75&w=2400)
![A couple embraces as the colors of the Belgian flag are projected on to the Brandenburg Gate in Berlin, March 22, 2016.](https://api.time.com/wp-content/uploads/2016/03/afp_905ha.jpg?quality=75&w=2400)
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