That concludes our live-blogging of the Ukraine crisis for Thursday, May 19. Check back here tomorrow morning for more of our continuing coverage.
Ukrainians Remember Victims Of Tatar Deportation From Crimea
Ukrainians gathered in Kyiv on the evening of May 18 to commemorate the mass deportation of Tatars from Crimea in 1944. Some 200,000 people from the minority group were sent to Central Asia on the orders of Soviet dictator Josef Stalin. (RFE/RL's Ukrainian Service)
Here is today's map of the security situation in eastern Ukraine, according to the National Security and Defense Council (CLICK TO ENLARGE):