Fate of assumed successor to Hezbollah leader Hassan Nasrallah unclear after Israeli airstrikes rock Beirut

The fate of a possible successor to Hezbollah leader Hassan Nasrallah is unclear following an Israeli airstrike that rocked Beirut overnight-- killing the terror group's head of communications. Hashem Safieddine, Nasrallah's apparent successor, was the target of the strike, but it is unclear if he was killed, an Israeli official told CNN.