Iran hoisted a red flag over a mosque in Qom after Hamas leader Ismail Haniyeh was killed in Tehran, allegedly by Israel. Ayatollah Khamenei ordered retaliation, increasing fears of further conflict. The event succeeded Israeli strikes killing Hezbollah commander Fuad Shukr. UN Security Council members called for diplomatic efforts to prevent escalation. Analysts suggest Iran might gauge its response to avoid US involvement. Hezbollah hinted at coordinated retaliation, indicating potential upcoming coordinated actions against Israel.