The probe into the Nandigram incident, in which Chief Minister Mamata Banerjee sustained leg injuries, has been handed over to the West Bengal Criminal Investigation Department (CID).
According to an officer of the agency, a team of CID officers will visit the spot in the Purba Medinipur district and record statements of the witnesses, PTI reported.
TMC leader Shiekh Sufiyan had already lodged a complaint and a case had been filed at the Nandigram Police Station, the officer said.
He added that the case has been filed under IPC section 341 (punishment for wrongful restraint) and section 323 (punishment for voluntarily causing hurt) against unidentified persons.