Someone needs to write a detailed analysis of this conflict from the paradigm of a revolt of the Dnipropetrovsk mafia (which has ties to Europe and the Jewish community) against the Donetsk mafia (which has ties to Moscow).
Andriy Klyuyev (?)
Dmytro Firtash (? – temporary allegiance)
(This list is not complete and may not be accurate. Elmer, Andriy, can you help me?)