FACTBOX: Military and civilian deaths in Iraq

(Reuters) - Four American soldiers were killed on Saturday by an explosion near their vehicle in Diyala province north of Baghdad, the U.S. military said on Sunday.

A U.S. soldier died from fighting in Anbar province on Friday, the U.S. military reported on Saturday. Another U.S. soldier was killed in Baquba, about 65 km (40 miles) north of Baghdad.

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 3,275

Britain 140

Other nations 124

IRAQIS:

Military Between 4,900 and 6,375#

Civilians Between 60,835 and 66,757*

# = 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.