Russian mercenary chief Yevgeny Prigozhin has declared an armed uprising. Get the latest here.

U.S. President Joe Biden spoke with French President Emmanuel Macron, German Chancellor Olaf Scholz and British Prime Minister Rishi Sunak on Saturday about the situation in Russia. According to a statement from the White House, the four leaders reaffirmed their support for Ukraine during the conversation. However, the White House said U.S. officials were wary of weighing in further on the situation and “wanted to avoid any comment that could be misconstrued to suggest the U.S. was taking a side in the apparently internal conflict.”

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A popular Russian military blogger says the Wagner mercenaries shot down a Russian Ka-52 helicopter gunship in the Voronezh region on Saturday. Yevgeny Poddubny said both crewmembers were killed and posted pictures of the helicopter’s charred debris.

Russian media and military bloggers reported several purported helicopter attacks on advancing Wagner convoys.

Another popular blogger, a former military pilot using the nickname Fighterbomber, said that Wagner forces shot two Mi-8 helicopters and Il-18 communications aircraft of the Russian air force earlier Saturday.

The Russian military didn’t comment on the claims, which couldn’t be independently confirmed.

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