Braced for an all-out Russian assault in the east, Ukraine vowed to "fight absolutely to the end” in strategically vital Mariupol, where the ruined port city's last known pocket of resistance was holed up in a sprawling steel plant laced with tunnels.
With missiles and rockets also battering other parts of the country, Ukrainian President Volodymyr Zelenskyy accused Russian soldiers of carrying out torture and kidnappings in areas they control.
