Police officers and rescue workers arrive at the scene of an attack on July 14, 2016, after a van ploughed into a crowd leaving a fireworks display in the French Riviera town of Nice. The mayor of the French city of Nice said dozens of people were likely killed after a van rammed into a crowd marking Bastille Day in the French Riviera resort today and urged residents to stay indoors. (Photo by Valery Hache/AFP Photo)
