Two U.S. soldiers were killed and seven others wounded in two roadside bomb attacks in the Iraqi capital on Friday, the U.S. military said on Saturday.

A soldier was killed and three others wounded by a roadside bomb explosion while conducting a security patrol in western Baghdad on Friday, the military said in a statement.

In an earlier statement, the military announced the killing of another soldier and the wounding of four others when a sophisticated armored-piercing bomb detonated near their patrol while they were conducting a combat security operation in eastern Baghdad on Friday.

The explosively formed projectile, or EFP, was allegedly from a neighboring country, according to U.S. officials, who previously accused Iran of providing Iraqi Shiite militants with weapons and parts for such bombs.

Some 3,270 U.S. soldiers have been killed in Iraq since the U.S. -led invasion in March 2003, according to media count based on Pentagon figures.

Source: Xinhua