STORY: 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.
Senior police official Surendra Kumar Jha said at least 14 police officials were injured in the incident in Ranchi and other areas. A curfew was imposed and Internet services suspended to stop the unrest escalating.
In northern Uttar Pradesh state police said they had arrested 230 alleged rioters after unrest spread across several towns after Friday prayers.
Police superintendent of the Uttar Pradesh city of Prayagraj said protesters were being identified using video evidence collected.