Nine NATO troops were killed in a helicopter crash in the insurgent heartland of southern Afghanistan on Tuesday, making 2010 the deadliest year for international forces since the war began.
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Nine NATO troops killed in helicopter crash
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Helicopter crashes, crew killed
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Four policemen, nine security guards killed in Afghanistan
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NATO air strike kills four Afghan soldiers:
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NATO airstrike kills at least 27 civilians
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Russian forces have lost more than 10,000 dead in North Caucasus
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Afghan official says NATO airstrike killed 14 civilians
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NATO airstrike kills four civilians in Afghanistan
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NATO to hand security to Afghan forces by end of 2014
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Authorities investigating NATO airstrike in Afghanistan
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Eight US civilians killed in Afghanistan
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NATO service member killed in Afghanistan
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Nato air strike 'kills four Afghan soldiers'
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Bomb kills three NATO troops in Afghanistan
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Helicopter makes hard landing in eastern Afghanistan
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Two Nato soldiers killed in Afghanistan
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10 killed by roadside bomb in Afghanistan