BAGHDAD, January 26, SPA -- Two U.S. military aircraft crashed in northern Iraq in the early hours of Monday, killing four soldiers, the U.S. military was quoted as saying by Reuters. "Four coalition forces members were killed when two aircraft went down in northern Iraq at approximately 2:15 a.m.," U.S. military spokesman Major Jose Lopez said. "The cause of the incident is unknown and is under investigation." He gave no further details.--SPA www.spa.gov.sa/629709