CNN

Hamas said its political leader Ismail Haniyeh has been killed in an overnight strike in the Iranian capital Tehran, a major development that throws the war between Israel and the militant group into an unpredictable and dangerous new phase.

Haniyeh’s death is, both strategically and symbolically, a dramatic blow to Hamas, eliminating its most public figure who headed up the group’s political operations while living overseas.

He is the second leader of an Iran-backed group reported to have been assassinated in the last day, following the killing of Hezbollah’s most senior military commander in Lebanon.

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