Kabul , Afghanistan ( CNN ) -- Two foreign troops who went missing Friday in Afghanistan are Americans who have been abducted , an Afghan intelligence source told CNN Saturday . NATO 's International Security Assistance Force and two U.S. military officials confirmed that the two missing service members are American . NATO said they went missing after leaving their compound in Kabul city Friday afternoon and did not return . Forces have launched a search for the service members and the military vehicle they were in , ISAF said . Their duty status is `` whereabouts unknown , '' the U.S. officials said . The intelligence source told CNN that the two were abducted in Logar province , south of Kabul -- Afghanistan 's capital . The development comes as five U.S. soldiers were killed in bombings in southern Afghanistan on Saturday . CNN 's Atia Abawi and Barbara Starr contributed to this report .
NEW : Meanwhile , U.S. military sources confirm the two dead troops are Americans . An Afghan intelligence source says two men have been seized in Logar province . NATO 's command said the two troops went missing after they left a Kabul base . A search is on for the service ##men .