"With such a big incident happening, we have to take action against the concerned OC," Superintendent of Police, West Midnapore district, Bharati Ghose said.
Ghose, however, did not confirm reports that the OC Pankaj Mistry has been put under suspension already.
Ranjan Maity, owner of the house where the cracker unit was located, was arrested following yesterday's blast which claimed 12 lives and injured four.
BJP state president Rahul Sinha yesterday demanded investigation into the explosion by (NIA) alleging bombs were being manufactured at the illegal factory.
