Mobile internet and SMS services have been suspended in Lucknow till December 21 noon after the death of a 25-year-old in alleged 'firearm injury' amid violent protests against Citizenship Amendment Act. Earlier, mobile internet was suspended in Sambhal, Aligarh, Mau, Ghaziabad and Azamgarh districts. Karnataka's Mangaluru is under curfew after two died in police firing and internet shutdown has been imposed till December 22 midnight.