NICE, France — Dozens of people have been killed and many more were injured after a truck plowed into a crowd in Nice, France during Bastille Day celebrations.

“There are people in blood, probably full of wounded,” a reporter for the Nice Matin newspaper said.

Witnesses reported that the truck that drove into the crowd was watching the fireworks celebration of Bastille Day.  Photos emerged on social media showing injured people lying on the ground en masse.

President of the Provence Alpes Cote d’Azur region Christian Estrosi said on Twitter that “dozens” of people were been killed in the incident.

Local media has dubbed the incident an act of terror, reporting at least 50 fatalities. No official confirmation has been released so far.