Footage from a camera in Tetyana Chornovil's car apparently shows an altercation with another vehicle
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Anger at Ukraine activist's beating

25 December 2013 Last updated at 22:39 GMT

Anti-government demonstrators in Ukraine have held a rally to protest against an attack on an opposition journalist.

Tetyana Chornovil's car was rammed on a road outside the capital, Kiev, on Wednesday, and she was beaten by unidentified assailants.

It is the latest in a series of attacks on opposition activists. Sarah Holmes reports.