Here's what you need to know about the Ukraine crisis right now:
HEADLINES
* Ukrainian President Volodymyr Zelenskiy vowed to stay in Kyiv as his troops battled Russian invaders who are advancing toward the capital in the biggest attack on a European state since World War Two. read more
* A picture was emerging of fierce fighting across multiple fronts. Russian forces had captured the Chernobyl former nuclear power plant on the route between Belarus and Kyiv, a Ukrainian presidential adviser said.
* Ukrainian forces downed an aircraft over Kyiv, which then crashed into a residential building, said Anton Herashchenko, an adviser to the interior minister. read more A missile hit a Ukrainian border post in the southeast, killing and wounding some guards, the border service said.
* Russian President Vladimir Putin said his aim was to demilitarize and "denazify" Ukraine. He said any hindrance would be met by "such consequences that you have never encountered in your history".
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