Among those on board was Major General Nopporn Ruanchan, commander of the army's 4th Infantry Division
Divers began searching for wreckage in the river which, like many in rugged, jungled Sarawak, are prowled by massive crocodiles
Several witnesses told Norwegian media they saw the rotor blades separating from the helicopter while still in the air.
The helicopter was carrying 13 members army members
The search has been hampered by dark, cloudy conditions and large waves of up to 15 feet
Pilot error caused a twin helicopter crash in Argentina that killed three French sports stars, five crew members and two Argentine pilots...
"It was an accident and not the result of insurgent activity," said the MoD news release
The US military has yet to confirm if there is any survivor.
Pakistani Taliban militants claimed they had shot down the helicopter, hoping to kill Prime Minister Nawaz Sharif.
Malaysian Prime Minister Najib Razak's chief of staff and a former ambassador to the United States were among six...