The US Air Force dropped manslaughter and assault charges today against a fighter pilot who mistakenly bombed Canadian troops in Afghanistan, killing four soldiers.

The US Air Force has dropped criminal charges against two fighter pilots who mistakenly bombed Canadian troops in Afghanistan last year, killing four.

A US pilot charged with involuntary manslaughter in the accidental bombing deaths of four Canadians in Afghanistan was under orders to hold fire when he dropped the bomb, a fellow airman testified yesterday.

TWO American pilots had taken amphetamines to help them stay awake before they dropped a bomb in Afghanistan that accidentally killed four Canadians, one pilot’s lawyer said yesterday.

Two US Air Force `weekend-warriors' are to face criminal charges for bombing Canadian soldiers in Afghanistan, killing four.