The al-Hijarah missile was an Iraqi liquid propelled inertial Short-range ballistic missile, it was also a Scud missile and considered an upgrade of the al-Hussein missile equipped with chemical warheads. It was developed by 1990 and was first used in the Persian Gulf War where the al-Hijarah missile would release poison gas clouds and kill personnel on the ground, as well as ignite oil wells. One al-Hijarah missile was confirmed to have been fired at Israel during the Gulf War where one landed near Dimona, it was revealed that the missile had a concrete filled warhead.