MUMBAI: Actor Imran Khan was among several people detained by Mumbai Police on Saturday while protesting near Nana Chowk in south Mumbai in solidarity with the Cockroach Janata Party’s (CJP) demonstration in New Delhi, officials said.The protesters were detained near the Nana Chowk junction in Gamdevi, close to Grant Road railway station. Police personnel put them in vans and took them away.The area around August Kranti Maidan was placed under heavy security, with all roads leading to the ground closed and barricades erected to restrict access.The maidan remained shut from the morning, with police vans and dozens of personnel stationed outside its gates. People were not allowed to approach the entrance.Hundreds of police personnel, including women officers and members of the Maharashtra State Security Corporation, were deployed in the area.Additional police vans were brought to Gamdevi to transport the detained protesters.Police also stopped passersby and questioned them about their destinations.Some residents expressed displeasure over being stopped and questioned.Personnel from the nearby police station were called in to assist with security arrangements.The zonal deputy commissioner of police and an additional police commissioner were also present at the spot.