Shortly after the invasion of the Israel Defense Forces (IDF) in the Lebanon war of June 1982 – which according to the Lebanese government killed some 1,200 Civilians and injured more than 2,000 Non-combatants in the Tyre area alone – the IDF set up a military post in the city and sponsored the return of Kazem al-Khalil. When his attempts to reconcile with the Amal Movement failed, he formed his own militia with Israeli support, recruiting mainly young Shiites from a poor background. However, the aging warlord's collaboration not only "discredited" and "delegitimised him in the eyes of the Shi'a, but also earned him the anger of the Syrians. This simple miscalculation was an act from which he was never able to fully recover politically".Meanwhile, his daughter Maha succeeded with her advocy to have the Tyre's cultural status recognized. In 1984, the city was finally recognised by UNESCO as a World Heritage Site. However, al-Khalil Chalabi deplored that her subsequent campaigns for the preservation of Tyrian sites were blocked by the Amal Movement, which took over power in the Tyre area after the 1985 withdrawal of the Israeli forces – particularly by its leader Nabih Berri and his wife Randa, who founded her own rival "National Association for the Protection of the Heritage of South Lebanon".