* Iran vows revenge after Hamas leader Ismail Haniyeh killed BBC.com
* Live updates: Israel blamed for Hamas leader killed in Iran, Haniyeh funeral procession to be held CNN
* ‘Death to Israel’: Funeral processions for Hamas leader Haniyeh begin in Tehran The Times of Israel
* Iran’s Options for Retaliation Risk Escalating Middle East Crisis The New York Times
* Iran's Ayatollah Ali Khamenei orders 'direct' attack on Israel: report Fox News
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