Itanagar, Oct 21 (TIWN) An Advanced Light Combat helicopter of the Indian Army crashed in Arunachal Pradesh's Upper Siang district on Friday, and bodies of four of the five people on board have been recovered so far, officials.

A search is on to locate the remaining missing soldier.

A defence spokesman said that the cause of the crash at this stage is not known, and details are being ascertained.

“A joint search and rescue operation of Army and Air Force was launched immediately. One MI-17, two Advanced Light Helicopters and three columns of the Indian Army were deployed in the search operations,” the spokesman said.

“There were five people on board. There is very little chance of survival of the missing soldier,” a senior district official told IANS over phone from district headquarters Yingkiong.

The crash took place on Friday morning in Migging village, around 25 km from the district headquarters. The helicopter, which took off from Lekabali, was on a regular sortie.