Iranian leaders call for revenge during Tehran funeral for Hamas leader Haniyeh Iranian leaders called for revenge on Thursday during a funeral ceremony following the assassination of Hamas's political leader Ismail Haniyeh in Tehran on Wednesday. The killing came just hours after Israel killed a top Hezbollah commander, Fuad Shukr, in a strike in the south of Lebanon's capital Beirut, raising fears of a wider regional conflict as the Israel-Hamas war in Gaza grinds on.