Hasan Turkmani was assassinated on 18 July 2012 in a bombing by opposition militants against the national security building in Rawda Square, north-west Damascus, where the minister of defense Dawoud Rajiha, his deputy Assef Shawkat and other top officials were also killed. Turkmani died of his wounds after the attack. Dozens of civiliants were injured. A state funeral was held for him, Dawoud Rajiha and Assef Shawkat in Damascus on 20 July 2012.