NEW : ISAF , Kabul military officials confirm the two missing troops are Afghan . An Afghan intelligence source says two Americans have been seized in Logar province . ISAF 's command said the two troops went missing after they left a Logar province compound . A search is on for the service members .
NEW : ISAF , U.S. military officials confirm the two missing troops are Americans . An Afghan intelligence source says two Americans have been seized in Logar province . NATO 's command said the two troops went missing after they left a Kabul compound . A search is on for the service members .