Some Israeli reports are claiming Secretary-General Hassan Nasrallah was killed or at least injured. Other reports claim his top deputy was taken out. At least six buildings were leveled in the attack.

A senior Iranian security officials has told Reuters that Tehran is checking Nasrallah's status. Iran's embassy in Beirut has meanwhile said that the major attack is a 'crime' that deserves 'appropriate punishment'. Hezbollah has been slow to issue a statement, and it is unclear whether the group plans to.

"In an initial toll, Lebanon's health ministry says two people were killed and 76 others wounded in Israel's attacks on Beirut's southern suburb of Dahiyeh," Al Jazeera reports amid continuing rescue efforts.

Some media sources have speculated that the delayed Hezbollah statement suggests it lost senior leadership: