We are now closing the live blog for today, but we'll be back again tomorrow morning to follow all the latest developments. Until then, you can keep up with all our other Ukraine coverage here.
So far, it seems to have been quite a lively and unpredictable campaign. (Compare and contrast with some of Ukraine's neighbors.)
RFE/RL's Kyiv correspondent takes an in-depth look at the man who now seems to be the front-runner in Ukraine's presidential election:
Here is today's map of the latest situation in the Donbas conflict zone according to the Ukrainian Defense Ministry. (CLICK IMAGE TO ENLARGE.)