Following the death of Hezbollah leader Hassan Nasrallah in an Israeli airstrike in Beirut, pressure has been mounting on the regime in Tehran, the biggest ally of the Lebanese militia, to react. But while the government hails Nasrallah as a martyr and has ordered five days of national mourning,

The severity of Israel’s attacks have called into question the very reason for the organization's existence, which was predicated on deterring Israeli attacks against Lebanon and Iran.