The MoD said "initial reports" suggested the latest death "may have resulted from a friendly fire incident".

BBC: New British 'friendly fire' death in Afghanistan probed

Two British pilots were killed Sunday when their Tornado GR4 aircraft was shot down by a U.S. Patriot missile in a friendly fire incident.

CNN: British soldier killed in combat

It told the story of a friendly fire incident during the Iraq war which claimed the life of a BBC translator, Kamaran Abdurrazaq Muhamed.

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He was later cleared in the investigation, but was faulted for not immediately notifying Tillman's family of suspicions that it was a friendly fire incident.

CNN: Changing course in Afghanistan

Combat Outpost Tillman, named after the NFL star and special forces soldier Pat Tillman who died in an infamous friendly fire incident, was one of those closed.

CNN: U.S. withdrawal is 'tough love' for disbelieving Afghans

McChrystal describes only briefly an incident that nearly ended his career years earlier: allegations of a cover-up involving the friendly fire incident that killed football-star-turned-Army Ranger Pat Tillman.

NPR: McChrystal Takes Blame For Rolling Stone Article

"I am appalled at President Bush's casual dismissal of the "friendly fire" incident in Afghanistan, " Mark Ojah, a Canadian from Winnipeg, wrote from Texas.

BBC: Canada anger at 'friendly fire' deaths

The initial review at the scene, by Nato specialists and Afghan government representatives, concluded the shooting was not a "friendly fire" incident involving British forces.

BBC: Cpl David O'Connor, Cpl Channing Day

Lance Corporal of Horse Matty Hull, 25, of The Blues and Royals, Household Cavalry Regiment, which is based in Berkshire, was killed during a suspected "friendly fire" incident on Friday.

BBC: 'Friendly fire' widow's grief