Helicopter Crash kills 4 U.S. Airmen in Afghan

KABUL: Helicopter Crash kills 4 U.S. Airmen in Afghan, The U.S. Army says four soldiers have been killed and two injured in a mid-air collision of two helicopters in southern Afghanistan.
Has been ruled out enemy fire in the accident, which occurred yesterday morning. No further details were released.

In an unrelated incident, another helicopter crashed Monday during a joint international operation of the security forces against insurgents in western Afghanistan that killed a dozen militants. The U.S. said that military casualties were reported and a recovery operation is underway.