In talks in Sochi, Russia, President Vladimir Putin rejected efforts by Turkish President Recep Tayyip Erdogan to revive a United Nations-backed deal to allow the safe passage of grain from Ukraine.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

After a classmate was killed in his hometown of Bakhmut — the longest and bloodiest battle in Russia's war on Ukraine — a rescue worker volunteered to evacuate people from the front lines.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

President Biden is in Europe this week. He first talked climate change with King Charles. Then he's meeting NATO leaders in Vilnius, Lithuania to talk about the war in Ukraine.

The rebellious leader of the Wagner mercenary group said he had ordered his troops back to base, but analysts say the serious challenge to the Russian president will diminish his authority.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Ukrainian band Tvorchi competed in the Eurovision grand final in Liverpool on Saturday, minutes after Russian missiles struck their hometown of Ternopil. Two people were injured in the attack.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

Russia's Victory Day ceremony was scaled back this year, amid the war in Ukraine.

Catch up on key developments and the latest in-depth coverage of Russia's invasion of Ukraine.

NPR's Scott Simon draws parallels between Vladimir Kara-Murza, a Russian dissident and journalist who was sentenced to 25 years in prison this week, and other courageous figures in history.

"He's giving us hope this neighborhood will come back to life," says a neighbor in the apartment building in Kharkiv damaged during Russia's invasion.