At a Friday sermon by Iranian Supreme Leader Ali Khamenei, his first in eight years, he defends the Revolutionary Guards’ accidental killing of passengers onboard Ukraine International Airlines Flight 752 and praises Operation Martyr Soleimani for giving a “slap on the face” to the United States. His sermon comes as public anger mounts against the government for their handling of Flight 752.
The British ambassador to Iran, Robert Macaire, is arrested during anti-government protests, after attending a vigil and then, according to BBC, getting his hair cut. According to Tasnim News Agency he was arrested "on suspicion of organising, provoking and directing radical actions". U.K. Foreign Secretary Dominic Raab states the arrest is in "flagrant violation" of international law. More than an hour later, Macaire is released from custody.
Iraqi cleric and Grand Ayatollah Ali al-Sistani condemns both the United States and Iran over the escalation of conflict in Iraq, saying it shows blatant disregard for Iraqi sovereignty and the suffering of the Iraqi people.
A Boeing 737-800 crashes while taking off from Tehran Imam Khomeini International Airport, killing all 176 people on board. The incident, which took place amid the 2019–20 Persian Gulf crisis, is under investigation.
Iran's Islamic Consultative Assembly formally designates the United States Department of Defense as a "terrorist organization" in response to the assassination of General Qasem Soleimani in a targeted killing in Baghdad, Iraq. Under the newly adopted bill, all United States Armed Forces personnel and Pentagon employees are "considered terrorists."
A rocket explodes inside the heavily fortified Green Zone sector of Iraq's capital, landing less than a mile from the U.S. Embassy in Baghdad amid heightened tensions in the region between the United States and Iran.