Claire Harbage

Thousands of Russians have left their country since their government began its invasion of Ukraine. Many have settled in Georgia, a country with a complicated history with its neighbor to the north.

Supplies are running low at Lviv's regional cancer hospital in Ukraine. The patient load has doubled and supplies in Kyiv are inaccessible. But hospital staff choose the duty of care over safety.

On top of the humanitarian crisis, Ukrainians worry about Russian destruction of cultural heritage sites. In Lviv, they're wrapping statues in fireproof material to protect them from Russian bombs.

"We don't even know that they are alive," two sisters with family in Mariupol are among the over 2 million people who have fled the Russian war in Ukraine. Many are passing through Lviv on their way.

The first of Ukraine's fallen soldiers are starting to come home. Two men were killed on the front lines in Russia's war on Ukraine. Hundreds gathered to mourn at their funeral on Tuesday.

At church, Ukrainians pray for an end to war. But a rift is forming: The head of the Russian Orthodox Church has defended Moscow's invasion. Some in Ukraine want to break away from his leadership.

Many Polish families are offering temporary lodging for Ukrainians who have fled. Some Poles are fostering Ukrainian children who had been living at a home for orphaned or neglected children.

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.

In the borderlands near Crimea, there is a war for the hearts and minds of Ukrainian citizens.

An underground world in the Ukraine capital is made up of Soviet-era bomb shelters, bunkers and basements. A potential Russian attack threatens to put the bygone shelter system to the test.