Ukrainian forces shoot drivers of Pokrovskoye mine administration near Krasnoarmeysk - Ukraine lays mines at coal plant near Krasnoarmeysk - Ukrainian servicemen begin bombarding Krasnoarmeysk without leaving it -- security services - Fighting erupts in southwestern Krasnoarmeysk in Donbass region -- security officials - Ukrainian military commanders lose grip on situation near Krasnoarmeysk -- journalist - Ukrainian troops leave their positions in Shevchenko near Krasnoarmeysk - Ukrainian forces try leaving positions southwest of DPR's Krasnoarmeysk -- security service - Kiev redeploys troops from Kharkov area to Krasnoarmeysk -- security forces - Ukrainian commander acknowledges 'incredibly brutal' situation near Krasnoarmeysk - Ukrainian military leaving their positions near Krasnoarmeysk -- security forces