Mumbai, Oct. 10 -- Mumbai Police have registered an FIR at Gamdevi Police Station in connection with a protest at August Kranti Maidan in support of the Cockroach Janta Party's (CJP) call demanding the resignation of Chief Election Commissioner (CEC) Gyanesh Kumar.

The police informed that over 400 people were detained in the city during the demonstration.

The FIR has been registered under Sections 223 (disobedience to an order), 126(2) (wrongful restraint), 189(2) (unlawful assembly), 189(3) and 189(5) of the Bharatiya Nyaya Sanhita (BNS), Mumbai Police said on Saturday. Police personnel themselves were the complainants.

Hundreds of people were detained at August Kranti Maidan, the proposed protest venue, and Nana Chowk in the vicinit...