A high alert was sounded along the Mumbai coast and adjoining areas after a group of men were spotted moving suspiciously near a naval base at Uran in Raigad district.

Fadnavis who is enroute to Mumbai from United States, spoke to the state Director General of Police Satish Mathur, Mumbai Police Commissioner Dattatray Padsalgikar and Intelligence Commissioner.

"CM @Dev_Fadnavis spoke to DGP , @CPMumbaiPolice and Intel Comm. All precautions are being taken. Massive combing operations are on," the CMO Maharashtra tweeted.

"State &Central forces are working in close Cordination. CM @Dev_Fadnavis has appealed citizens not to panic. Situation under close vigil," it said in another tweet. A high alert was sounded along the Mumbai coast and adjoining areas today after a group of men were spotted moving suspiciously near a naval base at Uran in Raigad district, leading to multi-agency search operations by multiple agencies.