Donbas region to hold referendum on joining Russia: Moscow-backed separatists

Russia warns new Donbas conflict could 'destroy' Ukraine, NATO rebukes Moscow – Euractiv

Russia-controlled areas of Ukraine hold vote; mass graves found in Izium

Russia signals plan to annex more parts of Ukraine

Moscow Starts Annexation Votes in Eastern Ukraine

Occupied Ukrainian regions push votes to join Russia in wake of counteroffensives

Donbas capture will trigger referendum on joining Russia

Understanding Russia's referendums in Ukraine, Russia-Ukraine war News

Putin illegally annexes territories in Ukraine, in spite of global opposition : NPR

Ukraine marches further east, separatist calls for urgent referendum

Donbas: Why Russia is trying to capture eastern Ukraine

Pro-Moscow Officials in Occupied Ukraine to Hold Russia Annexation Votes - The Moscow Times

Luhansk and Donetsk are key to the latest escalation in the Ukraine crisis : NPR