Every year, the Malabaris, a community of Indian Muslims from the Malabar region of Kerala, India, gather to celebrate the birthday of Prophet Muhammad.

Authorities in the western city of Udaipur shut down the internet and restricted gatherings after the gory video of the attack was posted online drawing huge numbers of viewers.

They say it is the duty of Muslims to stand together but it is also critical to maintain peace.

Police opened fire to break up the violence in the city of Ranchi in Jharkhand state but it was not clear if the two victims were killed by the police or by rioters.

Police in New Delhi say they have filed a complaint against Nupur Sharma for 'inciting people on divisive lines' on social media.

A federal home ministry official says intelligence agencies are checking the authenticity of the threats issued by Al-Qaeda's branch in the Indian subcontinent.

The interior minister says three police officers were killed and 70 wounded, while the government has deployed paramilitary troops in Punjab to help manage the situation.

Lars Vilks had been under police protection since his 2007 cartoon of Prophet Muhammad with a dog's body prompted outrage among those who consider depictions of the Muslim prophet deeply offensive or blasphemous.

Muslims have denounced the French president since October last year, saying he defended drawings of the Prophet Muhammad as freedom of expression.

Samuel Paty was beheaded for showing pupils cartoons of the Prophet Muhammad.