Bhubaneswar, Oct. 29 -- London/Paris: At least three people have been killed and several others wounded after a knife attack inside a cathedral in Nice, France. One of the victims is believed to be beheaded.

The attack took place at 9am on Thursday morning inside the Notre-Dame basilica in the city centre. There were unconfirmed reports in the French media that at least one of the victims had been beheaded.

The French police described the scene as a "vision of horror".

Christian Estrosi, the Mayor of Nice, said the attacker had repeated "Allahu Akbar" several times while he was being arrested and handcuffed by police.

Estrosi said a woman victim had been decapitated but he had no details of how the two others were killed.

"We have tw...