Hamas chief Ismail Haniyeh killed at his residence in Iran

The Palestinian militant group has blamed the strike on Israel and vowed retaliation

The leader of the Hamas political wing, Ismail Haniyeh, has been assassinated along with one of his bodyguards in Tehran, the Palestinian group and Iranian authorities have confirmed. 

Hamas was quick to blame the killing on Israel, which has so far declined to comment.

The group said Hineyeh was killed on Tuesday morning in a “treacherous...