The National Investigation Agency conducted a series of searches across three states on Thursday in connection with a Maoist supply chain case, the federal probe agency said.

NIA teams seized several digital devices and incriminating documents during the searches in Chhattisgarh, Andhra Pradesh and Odisha, it said.

The searches were conducted on the premises linked to seven accused in the case that was originally registered by the Chinturu Police in Andhra Pradesh following the arrest of two accused.