For full coverage of the crisis in Ukraine, visit Flashpoint Ukraine.
The latest developments in the conflict between Russia and Ukraine. All times EDT:
12:02 a.m.: Al Jazeera, citing the U.S. think tank the Institute for the Study of War, reports that Russia likely controls the Ukrainian city of Rubizhne and probably the town of Voevodivka as well.
Some information in this report came from The Associated Press, Reuters and Agence France-Presse.