The besieged Azov Sea port city of Mariupol in Ukraine has seen some of the most desperate scenes of the war, with civilians struggling without water, heat, basic sanitation or phones for several days.
U.S. Secretary of State Antony Blinken says the U.S. and its allies are having a "very active discussion" about banning the import of Russian oil and natural gas.
Ukrainian President Volodymyr Zelenskyy pushes NATO to impose a no-fly zone, warning that "all the people who die from this day forward will also die because of you."
The U.N.'s top human rights body has voted to appoint a three-person panel of experts to monitor human rights in Ukraine, where Russian forces are invading.