American-manufactured 2,000-pound bombs were likely used in the Israeli attack that killed Hezbollah’s leader, Hassan Nasrallah, in Beirut on Friday night, according to a review of footage showing the operation and its aftermath by CNN and munitions experts.

The munitions weigh 2,000 pounds each and are designed to penetrate deep underground before exploding to deal maximum damage.

The Israeli military said Sunday it has killed another high-ranking Hezbollah official in an airstrike as the Lebanese militant group was reeling from a string of devastating blows and the killing