April had at least 19 US soldier deaths, which is more than double than soldiers killed in March, the lowest since the war began in March 2003.

Since March 2003 when the war in Iraq began, at least 4,302 members of the US military have been killed, according to the Associated Press.

US forces face a deadline on June 30 to withdraw from urban areas in Iraq according to the US-Iraqi security pact signed in November 2008.