By Xinhua
Baghdad : Four American soldiers were killed and two injured in separate attacks across Iraq, the US military said Thursday.
A soldier was killed and another wounded in a roadside bomb explosion while conducting combat operations in the capital Wednesday, the military said in a statement.
Another soldier was killed at about 05:00 p.m. Wednesday when a roadside bomb struck his vehicle while conducting a combat logistics patrol in an area near the town of Bayji, 200 km north of Iraq, a statement said.
A third soldier in the same day died of wounds sustained from an explosion while conducting operations in the volatile Diyala province, northeast of Baghdad, the military said.
A fourth soldier died of injuries sustained from insurgents' gunfire in Diyala province Tuesday, a statement said.
So far, at least 21 US soldiers have been killed in Iraq this month, bringing the US death toll to more than 3,500 since the outbreak of US-led invasion to Iraq in 2003, according to media count based on Pentagon figures.