The Ukrainian military claims to have taken the upper hand in the battle for the Donetsk airport. Officials in Kyiv allege that Russia has sent hundreds troops across the border to help separatists.
Russia's War Against Ukraine
Deutsche Welle: Fighting in Donetsk as Kyiv lobs new charges at Russia
A Ukrainian Right Sector battalion volunteer fires at pro-Russian separatists near the Donetsk airport, Jan. 3, 2015.
