A soldier from Afghanistan's NATO-led International Security Assistance Force (ISAF) has gone missing in the south of the country and his status is unknown, the force said on Monday, according to Reuters. "An International Security Assistance Force service member has been listed as duty status whereabouts unknown in southern Afghanistan," ISAF said in a statement, adding a search had begun for the soldier. ISAF gave no further details regarding the incident or the nationality of the soldier.