First, IMSI catchers are being used against the demonstrators:
Second, best live stream of the heavy front-line action — looks like the police lines have advanced a hundred meters or so from this morning, with protest forces holding their positions using burning tire barricades during the day that have since been overrun. As the real fireworks (literally) seem to happen after dark, the protesters will probably see reinforcements and possibly another offensive tonight.
Third, video overview of Maidan Square in Kiev, which doesn’t have any cop-on-citizen action but is a good barometer of how many people are just hanging out enjoying the “fight the power” vibe.
For those of you not willing to install Flash, not to worry. You can still use Livestreamer:
(you need pip to install: http://www.pip-installer.org/en/latest/installing.html)