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Go to Economist.com and get your first month free. Happening now, breaking news. President Biden declares

that Putin cannot remain in power, escalating his rhetoric

against the Kremlin leader and his war in Ukraine.

The fiery speech capping Biden's visit here in Poland

that included an emotional meeting with Ukrainian refugees

who fled for their lives.

Also breaking, new Russian airstrikes in the western Ukrainian city of Lviv

while President Biden was in neighboring Poland.

CNN, on the scene, as an attack on a fuel storage facility shot flames and

thick smoke into the air. Our correspondence are covering the war from every

angle with live reports from multiple locations in Ukraine as well as here in

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

I'm Will Flitzer and Warsaw and this is a special edition of the Situation Room. This is CNN breaking news.

We're live in Warsaw where President Biden has ramped up his rhetoric against the Russian President Vladimir Putin in a fiery

...