GHAZNI, Afghanistan, Oct 26 (SPA) - Afghan provincialauthorities on Sunday were investigating reports that 20private security guards were killed in a U.S.-led coalition airstrike southwest of Kabul, two officials said. U.S.-led forces called in the air strike to fend off anattack by insurgents on several posts of the localsecurity company that guards a road construction project in theGiro district of Ghazni, a provincial government source was quoted as saying by Reuters. "According to the reports that we have received 20 peopleof the company have been killed in ... the coalition attack,"another official said. A U.S. military spokesman said he had no information aboutthe incident. --SPA www.spa.gov.sa/601424