NEW DELHI: The CBI has formed a 10-member special investigation team (SIT) under a DIG-rank officer to probe six cases related to the Manipur violence referred to it by the state government, officials said on Friday.

During his visit to the northeastern state, Union Home Minister Amit Shah announced a CBI probe into six FIRs -- five on alleged criminal conspiracy and one on general conspiracy behind the violence in Manipur.

The CBI had dispatched Joint Director Ghanshyam Upadhyay to coordinate with the state officials and upon his return, the SIT was constituted. The Special Crime Branch, Kolkata will probe the cases, the officials said.