US Secretary of State Antony Blinken arrived in Turkey on Friday as part of a Middle East tour amid mounting fears the war in Gaza will become a larger regional conflict. Lebanon filed a complaint to the UN Security Council over Israel's suspected assassination of Hamas deputy chief Saleh al-Arouri in Beirut, while Hezbollah leader Hassan Nasrallah said the group must respond to Arouri's assassination on Lebanese soil. Read our liveblog to see how the day's events unfolded.
