WARNING: Some readers may find these images disturbing.

At least 80 fatalities have been reported after a during Bastille Day celebrations.

Social media captured the terror in the Mediterranean town, which is popular with tourists.

One video shared widely on Twitter appear to show the large truck driving into the crowd.

A video from Twitter user @harp_detectives shows hundreds running along the city鈥檚 famous seaside promenade. One woman can be heard asking, 鈥渨hat鈥檚 going on?鈥�

Many rounds of gunshots can be heard in this video from Twitter user @ricom76.

Twitter user Lorena Rodriguez shared this footage after writing: 鈥淪omething happen(ing) in #Nice. People running smell(s) like fire.鈥�

Rodriguez told 麻豆传媒 Channel: 鈥淚t was family-friendly, many kids, everyone was really happy 鈥� Suddenly everyone started running.鈥�

A Snapchat user posted this video and wrote 鈥渘ever in my life have I been so scared.鈥�

Instagram user Grace Ann shared this video of the screaming and the panic.

 

A video posted by Grace Ann (needs More Sleep) (@ga.morrow) on