Pellentesque sapien

A woman holds a placard with pictures of jailed ex-premier Yulia Tymoshenko and jailed opposition leader Yuriy Lutsenko.

Protesters wave the flags of several opposition parties.

Protesters shout slogans and use buckets as drums.

Riot police keep watch during the protest.

Supporters of world boxing champion Vitali Klitschko carry the flag of his Udar (Punch) party.

Leader of Ukrainian united opposition "Fatherland" Arseniy Yatsenyuk

A poster with the word "Dictator" shows a composite picture of Adolf Hitler, Josef Stalin, Belarusian President Alyaksandr Lukashenka, and Ukrainian President Viktor Yanukovych.

Protesters set up mock "ballot boxes."