"We are still gathering information," the ministry’s press service said.
President of the Regional Council of Provence-Alpes-Côte d'Azur Christian Estrosi said that 77 people were killed and 42 others were gravely injured on Thursday night, when a truck rammed into a crowd watching Bastille Day fireworks.
The driver of the truck was killed by police, French Interior Ministry spokesperson Pierre-Henry Brandet has confirmed. According to the spokesperson, it is not yet clear whether he had accomplices.
Weapons and grenades were found inside of the truck, according to Estrosi.
The attack occurred after French President Francois Hollande confirmed on Thursday that the country would not be extending its state of emergency, introduced over terrorist attacks in November and expiring on July 26.