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 occu…