Three-day National Mourning declared in France after Nice attack
"The flags will be flown at half mast on our public buildings today," he added.
Late on Thursday evening, a heavy truck hit a crowd celebrating the Bastille Day in Nice, killing 84 and injuring dozens more.
The driver was shot dead by police. According to ID documents found inside the truck, he was a 31-year-old man who was a resident of Nice of Tunisian origin. It is unclear whether he had any accomplices.