France knife attack in Nice: Live updates

French authorities enter the Notre-Dame de Nice basilica while forensic experts wait outside on Thursday. Valery Hache / AFP / Getty Images

According to local mayor Christian Estrosi, two people have been killed and a third is in a life-threatening condition following a knife attack in the French city of Nice.

“At this moment we have no doubt two dead in the church, terribly,” said Estrosi.

Videos from the scene posted on social media showed emergency services responding to the incident.

Medics “are doing everything they can to save the life of a third victim who escaped,” said Estrosi.

He said the attacker was shot by the police, but he was alive.