New Delhi, May 30 -- The National Investigation Agency (NIA) on Saturday conducted searches across the three South Indian states of Keralam, Tamil Nadu and Karnataka in a case of seizure of a large quantity of explosives in Keralam's Malappuram district, the agency said in a statement said.

It added that the searches were conducted at 19 premises of the accused in the case RC-01/2026/NIA/KOC, as well as at the houses of dealers and manufacturers of explosives.

"Several digital devices, documents, and other materials, including gelatin sticks, were seized during today's extensive searches," it read out.

"A total of six accused persons have so far been arrested in the case, which has revealed grave national security implications, given t...