Guwahati, May 2 -- The Assam Police have arrested two more persons in connection with extortion demands placed on the National Highways Authority of India's road project in the State's Dima Hasao district.

The arrested persons were identified as Lantanlung Bariamtak (30) and Heliwang Newme (28).

"One 7.65mm pistol, one magazine and live ammunition were recovered from them. It is learnt that both the arrested persons belong to NSCN (IM) and are holding the rank of Sergeant," said Assam Director General of Police, Harmeet Singh.

Earlier, three NSCN (IM) militants were killed in a fierce gun battle with Assam police and Assam Rifles in Dima Hasao district during the joint operation.

The deceased militants were identified as Gailuneing Pa...