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.

Hezbollah confirmed Saturday its longtime leader Hassan Nasrallah—the target of Israel’s aerial bombardment on the group’s Beirut headquarters—was killed during the strike, a major victory for Israel but a further escalation in the conflict.

The leader of Hezbollah in Lebanon, Hassan Nasrallah, has been killed during strikes on Beirut, Israel's military has said. The chief of the Iranian-backed militant group had reportedly been the target of Israel's attacks on the Lebanese capital on Friday,