four U.S. Marines die in a helicopter crash , a U.S. military official says . French troops are killed by an Afghan soldier were unarmed at the time , an official says . President Rasmussen : France may bring troops home early if security is n't restored . President Nicolas Sarkozy said he was suspending French training operations and combat help as a result . NATO chief Nicolas Sarkozy pays tribute to Six U.S. Marines soldiers killed in Afghanistan .
four U.S. Marines die in a helicopter crash , a U.S. military official says . French troops are killed by an Afghan soldier were unarmed at the time , an official says . President Rasmussen : France may bring troops home early if security is n't restored . NATO chief Nicolas Sarkozy pays tribute to Six U.S. Marines soldiers killed in Afghanistan .