Russian brigade commander, Colonel Yuri Medvedev, fighting in Ukraine, was run over and killed by his own rebellious forces.

Western officials believe the commander was taken out after his 37th Motor Rifle Brigade suffered huge losses. Other reports said he had died of his injuries.

One official said that the brigade commander was “killed by his own troops” as “a consequence of the scale of losses that had been taken by his brigade” in the bitter fighting.

The original report of the mutiny was made on Wednesday through Facebook by a Ukrainian journalist, Roman Tsymbaliuk, who said that it occurred after the unit had lost about 50 percent of its personnel.

“After choosing a convenient moment, during the fight, [a Russian soldier] ran over the commander standing next to him, injuring both his legs,” the journalist wrote.

It was shown in footage that after the crash, the colonel was then rushed to a hospital in Belarus.

Another clip released by the Chechen leader, Ramzan Kadyrov, a close ally of Vladimir Putin, showed the wounded-but-alive commander being transported by medical troops.

Confirming evidence for the claim made by western officials that the colonel had died was limited.

This event mirrors the “fragging” during the Vietnam War when soldiers would take out hated officers by throwing grenades into their tents.

Western countries, including the U.S. and Britain, believe that Russian forces are suffering from a lack of confidence as they experienced heavy losses of troops during the fighting. Over 15,000 Russians have been killed out of an invasion force of about 150,000 – about 10 percent – according to NATO.

Seven Russian generals have been killed in the fighting, leading to several thousand Ukrainian military fatalities and civilian casualties. The latest official U.N. figure for civilian deaths is 1,081, but that is almost certainly a vast underestimated.

Western officials said Russian President Vladimir Putin appears to be ordering up ten more battalion tactical groups, and probably more, to shore up his faltering forces.

There are rising concerns that an increasingly desperate Russia could use chemical or nuclear weapons.

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