CAIRO: Reports have cited a Libyan rebel spokesman as saying that a NATO air strike killed Muammar Gaddafi's youngest son in the Western town of Zlitan on Friday. According to Mohamed al-Rajali, rebels are reporting that Khamis Gaddafi was among the 33 troops killed in the strike on early Friday against the government operations center in the city. Officials in the Libyan capital Tripoli could not be reach for comment. NATO says there has been bombing around Zlitan on Thursday. An alliance spokesman in Brussels said Friday that NATO could not verify the report. Zlitan is 90 miles southeast of Tripoli. Khamis runs Libya's 32nd Brigade, which has been fighting the rebels in Zlitan. Rebels have been attempting to push their way toward the capital Tripoli as the country's civil war continues. BM