Four wounded at a hospital in a district in Donetsk , city authorities say . Civilians increasingly are falling victim , with at least 224 killed and more than 540 injured in the final three weeks of January , the U.N. high commissioner for human rights said Tuesday . Local schools , including a kindergarten , damaged by fire .
Four wounded at a hospital in a district in Donetsk , city authorities say . Local schools , including a kindergarten , damaged by fire .