Bhutanese armed forces continued to pound the Indian insurgents in the Himalayan Kingdom for the fifth day on Friday demolishing 19 of their 30 camps.

There were reports of octogenarian United Liberation Front of Asom ideologue Bhimkanta Buragohain succumbing to injuries.

The Royal Bhutan Army had smashed 19 of the 30 well fortified insurgent camps located in the dense jungles of the land-locked kingdom, a senior government official in Thimphu told PTI by phone.

The army action spread from Dhangtar in Samdrup Jongkhar district, where offensives were concentrated to Nganglam area in southen Bhutan, Sarpang district in west Bhutan and beyond Samtse, he said.

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Both the anti-India militants and the RBA have suffered 'heavy casualty', he said but did not give any number.

G-O-C in C of the Indian Army's Eastern Command in Kolkata had said 90 to 120 militants were killed in the anti-insurgent operations, while reports from Assam said over 35 Royal Bhutan Army personnel were killed in the combat.