Lebanon marks 20 years since slaying of ex-PM Hariri amid Hezbollah’s weakened hold Lebanon on Friday marked 20 years since former prime minister Rafic Hariri was killed in a suicide bombing blamed on Iran-backed militant group Hezbollah. Hariri’s son Saad, also a former Lebanon premier, is leading the commemorations that come as Hezbollah has seen its hold of the country significantly weakened.