March 6 (Reuters) - Six U.S. soldiers were killed by a blast north of Baghdad on Monday, the U.S. military said on Tuesday, in one of the single deadliest ground attacks against American forces in Iraq in months. Following are the latest figures for military deaths in Iraq since the U.S.-led invasion in March 2003: U.S.-LED COALITION FORCES: United States 3,181 Britain 133 Other nations 124 IRAQIS: Military Between 4,900 and 6,375# Civilians Between 57,805 and 63,573* # = Think-tank estimates for military under Saddam Hussein killed during the 2003 war. No reliable official figures have been issued since new security forces were set up in late 2003. * = From www.iraqbodycount.net (IBC), run by academics and peace activists, based on reports from at least two media sources. IBC says on its Web site that the figure underestimates the true number of casualties.
