NICE, FRANCE - JULY 15: Police secure the crime scene on Promenade des Anglais following a truck attack on July 15, 2016 in Nice, France. A French-Tunisian attacker killed 84 people as he drove a lorry through crowds, gathered to watch a firework display during Bastille Day celebrations. The attacker then opened fire on people in the crowd before being shot dead by police.(Photo by Patrick Aventurier/Getty Images)
