May 20 (Reuters) - A South Korean soldier has been found dead inside a barber's shop at a South Korean military camp in Iraq, the Defence Ministry said on Sunday.

His death is the first in the South Korean contingent in Iraq.

One U.S. soldier was killed and three wounded when their patrol was hit by a roadside bomb south of Baghdad on Saturday, the U.S. military said.

The U.S. military also said two U.S. soldiers were killed and two others were wounded when their patrol was hit by a roadside bomb and small arms fire in northern Baghdad on Friday.

Two more U.S. soldiers were killed, the U.S. military said, one by small arms fire south of Baghdad on Friday and the other during combat operations in western Anbar province on Friday. 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 3,412

Britain 148

Other nations 127

IRAQIS:

Military Between 4,900 and 6,375#

Civilians Between 63,929 and 70,023*

# = 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.

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