PARIS, July 15. /TASS/. A terrorist act was committed on Thursday night in Nice, the prefecture of the department Alpes-Maritimes said. 

At least 80 people were killed in a bloody attack in the southern French city of Nice, the BFM TV channel reported.

"According to data from different sources, the number of those killed in Nice is at least 80," the report said.

Earlier the authorities said 77 were killed.

The Elysee Palace said French President Francois Hollande expressed condolences to Nice residents.

There were thousands of people at the moment of the attack on Thursday evening on Nice’s Promenade des Anglais, who were leaving the place after a festive firework display on the occasion of Bastille Day. A truck rammed into the crowd at full speed. The truck’s driver was shot dead by the police. An investigation is underway.

The incident in Nice when dozens of people were killed was a terrorist attack, French President Francois Hollande said in a televised address to the nation.

Hollande said he decided to use reservists to ensure security in the country.

He added that France plans to increase the intensity of strikes on Islamists in Iraq and Syria after Thursday’s incident.