Lucknow/New Delhi: The police in Uttar Pradesh has intensified its crackdown on demonstrations against Citizenship (Amendment) Act and proposed nationwide implementation of National Register of Citizens (NRC) as protesters refuse to back down.

The police have arrested over 1,100 people, filed 327 FIRs and have kept 5,558 in preventive detention since the protests started on December 19, officers said on Thursday. The death toll in the state also continues to go up, with the officers putting the latest figure at 19. Police said five people were killed in Firozabad, four in Meerut, three in Kanpur, two each in Sambhal and Bijnor and one each in Muzaffarnagar, Rampur and Lucknow.