You can read more about the Maidan's first fatalities, Serhiy Nihoyan and Mikhail Zhyzneuski, here.
Interesting story if confirmed. Haven't seen anyone else report it yet, apart from the Al-Arabiya network (although the Saudi-owned network cites the Interfax news agency in its story):
Here is today's map of the latest situation in the Donbas conflict zone, according to the Ukrainian Defense Ministry: