KHAR: The security forces recovered huge cache of arms and ammunition during search operations in Mamond and Salarzai tehsils, official sources said on Thursday. The forces recovered RPGs, RPG fuses, anti-tank mines, 17 hand grenades, rocket shells and other explosive material. The security forces had launched a drive to clear Bajaur Agency from lethal weapons and explosive material. Soldiers have been deployed on the mountain tops to stop cross-border movement of militants.