Russia-Ukraine updates: Russian missile strikes hit multiple Ukrainian cities
Dozens of injuries were reported in Kyiv and other Ukrainian cities.
Russia has continued a nearly 19-month-long invasion of neighboring Ukraine. Recently, though, the Ukrainians have gone on a counteroffensive, fighting to reclaim occupied territory.
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Latest headlines:
Russia in 'so much chaos that no lie can hide it,' Zelenskyy says
Ukrainian President Volodymyr Zelenskyy said Russia appeared to be suffering "full-scale weakness" after the Wagner Group mercenaries said they'd taken hold of a key Russian city.
"Russia used propaganda to mask its weakness and the stupidity of its government. And now there is so much chaos that no lie can hide it," he said on Twitter.
Prigozhin responds to Putin, says Wagner not going to surrender
The Wagner Group's Yevgeny Prigozhin responded to Russian President Vladimir Putin's calling him a "traitor," by saying he will not surrender or turn back.
"Putin was deeply mistaken about the betrayal. We are patriots of our homeland, we fought and are fighting," Prighozin said in an audio message. "No one is going to turn around at the request of the president, the FSB or anyone else, because we do not want the country to live longer in corruption, deception and bureaucracy."
Prigozhin accused Russia's military of targeting a Wagner column with helicopters and jets.
-ABC News' Patrick Reevell
Chechen leader backs Putin, says forces moving into 'zones of tension'
The powerful head of Chechnya, the semi-independent Russian region, Ramzan Kadyrov, said on Saturday he supported President Vladimir Putin.
Kadyrov saiud he fully backs Putin and called Wagner Group leader Yevgeny Prigozhin's actions "treacherous."
Kadyrov has tens of thousands of heavily armed fighters. He said his forces are already moving to "zones of tension."
It raises prospect of Chechen forces fighting with Wagner Group troops.
Kadyrov has previously been friendly with Prigozhin -- his coming out in support of Putin is a boost for Putin, but also raises prospect of serious clashes in Russia.
-ABC News' Patrick Reevell
Next 48 hours 'will define' Russia, Zelenskyy advisor says
Russian leaders are "now choosing which side they are on," an advisor to Ukrainian President Volodymyr Zelenskyy said Saturday.
"The next 48 hours will define the new status of Russia," Mykhailo Podolyak said on Twitter. "Either a full-fledged Civil War, or a negotiated Transit of Power, or a temporary respite before the next phase of the downfall of the Putin regime."
He added, "A deafening 'elite' silence is in Russia so far..."
G-7 reaffirms 'unwavering commitment' to Ukraine in joint declaration
In a joint declaration released Wednesday, the leaders of the Group of Seven reaffirmed their "unwavering commitment to the strategic objective of a free, independent, democratic and sovereign Ukraine."
"We will stand with Ukraine as it defends itself against Russian aggression, for as long as it takes," the joint declaration states.
G-7 leaders wrote in the joint declaration that they are working to "formalize" their "enduring support to Ukraine as it defends its sovereignty and territorial integrity, rebuilds its economy, protects its citizens, and pursues integration into the Euro-Atlantic community."
They also said they will "work with Ukraine" on an "enhanced package of security commitments and arrangements in case of future aggression to enable Ukraine to defend its territory and sovereignty."
The G-7 is an intergovernmental political forum consisting of Canada, France, Germany, Italy, Japan, the United Kingdom and the United States.
-ABC News' Ellie Kaufman