War in Ukraine live updates: As Biden visits Poland, Russian soldiers are reportedly detaining Ukrainian journalists

Brendan Smialowski
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AFP via Getty Images
President Biden is traveling along the eastern flank of NATO, including a stop in a Polish town only 60 miles from the Ukraine border to see the war's disruption firsthand.
Here's what else we're following:
The war enters a second month: Fighting has intensified north of the capital, Kyiv. But Ukrainian forces now claim to have regained most of suburban Irpin.
Casualties in the Mariupol theater: Around 300 are feared dead in a bombing that happened earlier this month.
From Ukraine's largest children's hospital: We gather stories of some of the youngest victims of war.