Wagner Group head Yevgeny Prigozhin died in a plane crash last week. Many Russians are mourning — and speculating about the crash.

Andrii Pilshchykov, known as "Juice," died in a training flight Friday. He was a veteran of early combat missions during Russia's invasion and later advocated for Western countries to donate F-16s.

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.

The U.S. Marine veteran was freed from Russian prison in a prisoner swap last year. Now he has sustained an injury while fighting in Ukraine, the State Department said.

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.

Award-winning novelist Victoria Amelina, who retrained as a war crimes researcher to document Russian atrocities and preserve Ukrainian culture, has met a tragic end.

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

The Kremlin says the Russian leader met Wagner head Yevgeny Prigozhin and nearly three dozen of his mercenary commanders for talks in Moscow late last month.

Zelenskyy made the alarming claim in his nightly video address, adding that he believes the Russians may soon damage the Zaporizhzhia nuclear power plant and blame Ukraine.

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.

Russia's Defense Ministry says Wagner mercenaries are marching on Moscow. Wagner head Yevgeny Prigozhin has been formally charged with "inciting an armed revolt" by Russia's Federal Security Bureau.

Despite more than a year of war in Ukraine, regular missile strikes and power outages, the party goes all night long at a basement club in Kharkiv.