(KUNA) -- A cluster bomb left behind by the Israeli forces blew up on Saturday killing a 40-year-old man and wounding a civilian, a security source said. The source told KUNA that bomblet blew up in the town of Ras Al-Ain south of the port city of Tyre, killing Ali Bou Eid and seriously wounding Hussein Kiki. The bomblet blew up when the pair were inspecting their properties in a cultivated field and placing stones around cluster bombers scattered onto the ground.Several Lebanese have been killed and wounded in blasts of ordnance left behind by the Israeli forces or dropped by warplanes during the recent fighting. Authorities have repeatedly warned citizens to refrain from approaching sites, previously struck with artillery or aircraft. Local and foreign bomb disposal experts have been trying to locate and safely set set off the bomblets, many scattered in groves and among rubble of badly damaged or devastated properties in southern Lebanon, scene of nearly a month of Israeli attacks.