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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Wagner Group claims control over Rostov military facilities, airport
Yevgeny Prigozhin, leader of the Wagner Group, said on Saturday that the headquarters of the Southern Military District and all military facilities in Rostov-on-Don were under his control.
Prigozhin in a video demanded that Kremlin bring him Chief of the General Staff Valery Gerasimov and Sergei Shoigu.
He also threatened in the video that he would go to Moscow.
"We will destroy anyone who stands in our way," he said in one of a series of video and audio recordings posted on social media.
He added, "We are moving forward and will go until the end."
Russia losing an average of 400 soldiers per day: UK officials
Russian forces are suffering an average of 400 casualties daily, according to a report from the U.K.'s Ministry of Defence.
The report said that Russia is struggling with "a crisis of combat medical provision."
"It is likely that many dedicated military hospitals are being reserved for officer casualties," the report said.
The Ministry of Defence added that half of Russian fatalities in the last 17 months could have been prevented with proper first aid.
-ABC News' Will Gretsky