What we know about the assassination of Hamas political leader Ismail Haniyeh CNNHamas political leader Ismail Haniyeh killed in Iran CNNIran’s Ayatollah Ali Khamenei orders ‘direct’ attack on Israel: report Fox NewsHaniyeh killing ‘dangerous escalation’ as fears of Gaza war spillover grow Al Jazeera EnglishHow two strikes on militant leaders in the Middle East could escalate into a regional war The Associated Press