Mossad reportedly paid security agents from Iran's Revolutionary Guard to plant bomb
Mossad reportedly paid security agents from Iran's Revolutionary Guard to plant bomb
Haniyeh was largest obstacle to hostage deal on Hamas side
Both Iran and Hezbollah are expected to retaliate for the killings
Killings of Haniyeh and Shukr could increase threats to Israel and US forces
Haniyeh was in Iran for inauguration of newly elected President Pezeshkian
Haniyeh was targeted hours after assassination of Hezbollah's chief of staff in Beirut