Happening now breaking news.

Ukrainians showing defiance as Russian forces creep closer and closer to key

Vladimir Putin's troops suffering setbacks,

but their offensive has not stopped,

now just miles from the center of the capital.

And as bombs continue to fall on cities across Ukraine,

more civilians are being forced to make incredibly tough decisions. Take up arms to fight the Russians, or flee to safety across

the border.

The number of refugees now exceeds 2.5 million.

And we're getting a brand new look at the extent of the damage in the southern city of

Barriapool.

This video shows the burned-out remains of residential areas that followed these Russian strikes.

Ukraine's former president telling CNN that Putin's invasion will mean, in his words,

the end of the Russian Empire, while Ukraine's current president pleads for help, saying

some small villages simply don't exist anymore after coming under relentless assault from the Russians.

We want to welcome our viewers here in the United States and around the world.

I'm Wolf Litzer and you're in the situation room.

Tonight the Ukrainian president of Lottemir Zolinsky says his country's forces are inflicting the biggest blow to Russia's

army in decades even as Putin's troops are now on the doorstep of the capital

Keith. CNN's Arlet signs are standing by live at the White House for us. She's got the

late-breaking developments on this war. So Arlet update our viewers.

Well, Wolf, it is clear that Russia is intensifying its campaign in Ukraine devastating areas throughout

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