Question: In which oblasts of Ukraine did the Sparta Battalion fight the Ukrainian army?
Sentence (from "War in Donbass"): From the beginning of March 2014, protests by pro-Russian and anti-government groups took place in the Donetsk and Luhansk oblasts of Ukraine, together commonly called the "Donbass", in the aftermath of the 2014 Ukrainian revolution and the Euromaidan movement.
Relevant evidence: Yes