KABUL, Afghanistan, December 18, SPA -- Taliban fighters killed 15 Afghan guards working for a U.S. security company who were guarding a convoy of fuel tankers in western Afghanistan, an official said Tuesday. Between six and eight vehicles with USPI _ US Protectionand Investigations _ were guarding a convoy of fuel tankerswhen the Taliban fighters attacked early Tuesday, saidFarah Gov. Muhaidin Baluch. Fifteen USPI guards were killed and five were wounded,Baluch said. One fuel tanker was set on fire, and themilitants stole one of USPI's vehicles, he was quoted as saying by the Associated Press.--SPA www.spa.gov.sa/510401