New Delhi, Nov. 24 -- A protest over Delhi's air pollution turned controversial on Sunday when demonstrators at Delhi's India Gate displayed posters of top Maoist commander Madvi Hidma, who was killed in a police encounter in Andhra Pradesh last week. The protest was held near the C-Hexagon at India Gate in New Delhi.

Delhi Police said they arrested 22 people for allegedly refusing to disperse during the protest. Officials added that some protesters used chilli spray on police personnel.

"Delhi Police have registered FIRs at two police stations and 22 people have been arrested so far," an official said. "At Kartavya Path police station, six male protesters have been arrested under BNS Sections 74, 79, 115(2), 132, 221, 223, and 61(2)," ...