By Hera Rizwan Mireille Rebeiz, Dickinson CollegeIsrael has killed the leader of the militant group Hezbollah in a airstrike in Beirut, marking a further escalation of hostilities in the region. The death of Hassan Nasrallah, confirmed by Hezbollah on Sept 28, 2024, forms part of a major Israeli push against the Iran-backed group in recent days that has resulted in the death of several top leaders – but also killed hundreds of civilians and left many more fleeing Lebanon’s south in fear of a ground invasion. But what is Hezbollah? What exactly is its role in Lebanon? And how big a blow is Nasr…