An FIR has been registered against BJP MP Kirit Somaiya for allegedly assaulting and threatening an inspector inside a police station in suburban Mulund, police said today.

The FIR was registered last night against Somaiya, BJP MP from Mumbai North East, under IPC sections 332 (voluntarily causing hurt to deter public servant from his duty), 353 (assault or criminal force to deter a public servant from his duty) and 506 (criminal intimidation) at the Navghar police station, Deputy Police Commissioner Vinay Rathod said.

Somaiya had allegedly indulged in a heated argument with police inspector Sampath Munde at Navghar police station and later assaulted him on August 21, DCP Rathod said.

The BJP leader had gone that day to the police station for the release of his aide, who had been summoned in an unlawful assembly case registered in April this year.