Following the assassination of Hamas leader Ismail Haniyeh in Tehran and Hezbollah commander Fuad Shukr in Beirut, Iran and Hezbollah have vowed retaliation against Israel, escalating regional tensions. The Biden administration is bolstering military support for Israel, deploying additional fighter jets, warships, and defense systems while urging all parties to avoid further escalation. Secretary of State Antony Blinken emphasized the need for a ceasefire and intense diplomacy to prevent more violence. US General Michael Kurilla has arrived in Israel to coordinate defensive measures with the IDF. Despite lifting some restrictions on arms supplies to Israel, the US remains cautious about providing heavier munitions. Western governments are advising their citizens to leave Lebanon amidst the rising conflict.