The Russian army has advanced into the eastern part of the long-contested town of Toretsk in Ukraine, according to the Ukrainian army. “The fighting is taking place in Toretsk itself. The situation is unstable, the fighting is literally house by house,” Anastasia Bobovnikova, a spokeswoman for the Ukrainian forces involved in the fighting, said on local television. According to Bobovnikova, the Russian units have already fought their way to the town’s centrally located coal mine. More than 30,000 people lived in the mining town in the Donetsk region before the Russian invasion. Despite the fig…