The leader of Hamas’ military wing is believed to be among the victims of an airstrike that the Hamas-run health authority in Gaza say killed at least 71 people and injured hundreds, Israeli media reported on Saturday. The Haaretz newspaper said army sources believe Mohammed Deif, head of the al-Qassam Brigades, was killed in the attack, which Hamas said hit the al-Mawasi humanitarian zone in central Gaza. The Israel Defence Forces (IDF) said the strike targeted Deif, along with Hamas’ military leader in the central city of Khan Younis, Rafa Salama. They have not yet confirmed whether the pair…