An Assam Rifles personnel was killed on Sunday following an ambush by insurgents in Arunachal Pradesh’s Changlang district, a senior police officer said.

Another soldier was injured in the ambush with the militants, who are suspected to be part of proscribed outfits ULFA (I) and NSCN (K), the official said.

The soldier who died has been identified as Havildar Birendra Singh Yadav, said Mihin Gambo, district Superintendent of Police.

“The ambush took place near Tengmo village in Jairampur sub-division around 9 am when the Assam Rifles personnel were returning to their camp in a water tanker after fetching water,” the SP said. He added that the exchange of fire lasted for around 30 minutes.

The injured jawan has been admitted to a hospital, Gambo said, adding casualties on the militants’ side is not immediately known.

A massive combined search operation by the Assam Rifles, the state police and the CRPF is underway, the SP added.