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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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..."
Uprising 'significant challenge' to Russian state, UK says
Members of the mercenary Wagner Group have begun moving north "almost certainly aiming to get to Moscow," in what amounts to the "most significant challenge to the Russian state in recent times," the U.K. Ministry of Defense said on Saturday.
"Over the coming hours, the loyalty of Russia's security forces, and especially the Russian National Guard, will be key to how the crisis plays out," the ministry said on Twitter.
'We had no goal of overthrowing' the government: Prigozhin
Wagner Group leader Yevgeny Prigozhin released an 11-minute recording Monday explaining why his troops reversed course on their campaign against Moscow over the weekend.
Prigozhin said the purpose of the "march" was to prevent losses of his troops "and to bring justice to all persons who, through their unprofessional actions, made a huge number of mistakes during" the war in Ukraine.
"We had no goal of overthrowing the regime," he added, referring to Putin's government.
Prigozhin said that the march escalated after their convoy was hit by a missile attack from Russian forces.
Prigozhin said that the marched stopped when his troops approached "Moscow deployed artillery."
"We did not want to shed Russian blood. We went to demonstrate our protest and not to overthrow the government in the country," he said.
He claimed that several of his troops were wounded and two were killed.
-ABC News' Ellie Kaufman, Natalia Shumskaia and Tanya Stukalova