A civilian contractor was shot and killed Sunday on an American military base in the Iraqi city of Tikrit and a U.S. soldier has been detained in connection with the incident, AP quoted the military as saying. The contractor was shot at 8:30 a.m. at Camp Speicher, the military said in a statement. Houston-based KBR confirmed in a short statement that the man killed was one of its employees, 27-year-old Lucas Vinson. «As the Army is leading the investigation of the incident, KBR is not providing further comment at this time,» spokeswoman Heather Browne said in an e-mailed statement. «We are of course fully cooperating with the Army on its continued investigation.» Maj. Derrick Cheng, a public affairs officer, said a soldier had been detained in connection with the incident, but that he could not divulge any more information while the investigation is ongoing. «We offer our sincere condolences to the family of the individual,» he said. As of June 30, 1,395 civilian employees of U.S. government contractors had been killed in Iraq, according to an AP count.