Iran's Khamenei says avenging Haniyeh's killing is Tehran's dutyIran's supreme leader said that Israel had provided the grounds for 'harsh punishment' for itself. 
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Iran's Supreme Leader Ayatollah Ali Khamenei.
Credit: Reuters Photo
Avenging Hamas leader Ismail Haniyeh's assassination is "Tehran's duty" because it occurred in the Iranian capital, Iran's Supreme Leader Ayatollah Ali Khamenei said on Wednesday.
He said Israel had provided the grounds for "harsh punishment" for itself.