New Delhi, June 26 -- As part of its ongoing investigation in the recent Babbar Khalsa International (BKI) linked grenade attack at the residence of former Punjab Minister Manoranjan Kalia, the National Investigation Agency (NIA) on Thursday conducted a series of searches across the state as well as in Haryana and Uttar Pradesh, the agency said.

NIA teams carried out searches at 18 locations in the three northern states this morning, and seized various incriminating materials, including mobiles and digital devices and documents.

As per the NIA, the searches were conducted at the premises of suspects linked with Babbar Khalsa International (BKI) operative Kulbir Sidhu, US-based gangster Manish alias Kaka Rana, and their nodes based in In...