Al-Qassam Brigades, the military wing of Hamas, confirmed on Thursday morning that one of its members had died as a result of an explosion at his home in Rafah, southern Gaza Strip, at dawn. Medical sources said that Ali Nayef al-Haj (20-years-old) from the Yebna refugee camp in central Gaza Strip said that Martyr Abu Yousef Al Najjar was taken to hospital in torn pieces. He died as a result of an explosion at his home where he was identified long after the corpse’s arrival to the hospital. Security agencies of the dismissed Government in Gaza wrote an article to investigate the cause of the blast, which was described as "mysterious."