Three soldiers have died following a collision between two army helicopters in the US state of Alaska.
Two of the soldiers died at the scene, with the third dying while on the way to hospital.
A fourth soldier is being treated in hospital for injuries following the crash on Thursday, which involved two AH-64 Apache helicopters returning from a training flight in the Healy region of the northwestern state.
The soldiers' identities have been withheld until relatives are notified, the army said.
Two of the soldiers died at the scene, with the third dying while on the way to hospital.
A fourth soldier is being treated in hospital for injuries following the crash on Thursday, which involved two AH-64 Apache helicopters returning from a training flight in the Healy region of the northwestern state.
The soldiers' identities have been withheld until relatives are notified, the army said.
