Follow all of the latest developments as they happen.
An opening ceremony for a memorial in honor of National Guard soldiers in Kherson on March 26
Latest News For March 27, 2017
-- Ukraine's Defense Ministry said a military helicopter has crashed in the eastern Donbas region, killing five people aboard.
-- The Ukrainian Interior Ministry has confirmed the identity of the suspected gunman in the assassination in Kyiv on March 23 of a former Russian lawmaker who fled last year to Ukraine.
* NOTE: Times are stated according to local time in Kyiv (GMT/UTC +2)
Peripheral but pertinent
Here is today's map of the security situation in eastern Ukraine, according to the National Security and Defense Council: