More than 150,000 displaced Ukrainians now live in Krakow, increasing the population by 20% in just a few weeks. Now the city is helping them find long-term housing, jobs and spots in schools.

As Saturday draws to an end in Kyiv and in Moscow, here are the key developments of the day.

A roundup of key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

President Biden will meet with NATO allies and G-7 leaders on Thursday before heading to Poland — a nation grappling with millions of Ukrainian refugees fleeing Russia's war in their country.

Donations are pouring in — but they don't always address the needs of the many displaced and homeless Ukrainians who've lost practically everything they own.

Nearly three million people have fled Ukraine since Russia's invasion began — most of them to Poland. NPR visits two border crossings that highlight the differences in reception refugees are seeing.

Wojciech Bakun admits he was ill-prepared to become a front-line humanitarian worker dealing with the rush of refugees from Ukraine. And some onlookers have been surprised by his response too.

The Hotel Ilan in Poland has a renowned and troubled history for the country's Jewish community. Now, it has found a new purpose helping Ukrainians fleeing the war Russia has wrought on their country.

Poland offered to stage fighter jets for Ukraine on a U.S. base in Germany. The Pentagon said that wasn't tenable. It all happened the day before Vice President Harris left for Warsaw.

The embrace of Ukrainians fleeing the Russian invasion is far different from the cold shoulder refugees from the Middle East and Africa have received.

Thousands of Ukrainians have arrived in Poland after the country declared its borders open to refugees escaping the Russian incursion. But some are returning to Ukraine to find family or to fight.

The hospitality greeting Ukrainians fleeing the violence in their native country has highlighted the stark differences in treatment given to migrants and refugees from the Middle East and Africa.

Polish-based photographer Kasia Strek documented what it was like for migrants and people in Poland as the crisis evolved at the border in November.

After luring asylum-seekers to the EU as a political stunt, Belarus has now sent people back to the dangerous place they were escaping, rights groups and migrants tell NPR.

The crisis appears to be stoked by the leader of Belarus over the country's tensions with the bloc. Polish border guards have used water cannons and tear gas to turn back stone-throwing migrants.