Dozens of opposition members surround the speaker's rostrum in Ukraine's parliament on April 2, 2013, as the parliament failed to set the date for Kiev mayoral elections. Only 209 deputies voted for a respective draft resolution, with at least 226 votes required. Early today, over 5,000 people led by Ukrainian political opposition leaders Vitaly Klitschko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. (Xinhua/Sergey Starostenko)

Dozens of opposition members surround the speaker's rostrum in Ukraine's parliament on April 2, 2013, as the parliament failed to set the date for Kiev mayoral elections. Only 209 deputies voted for a respective draft resolution, with at least 226 votes required. Early today, over 5,000 people led by Ukrainian political opposition leaders Vitaly Klitschko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. (Xinhua/Sergey Starostenko)

Dozens of opposition members surround the speaker's rostrum in Ukraine's parliament on April 2, 2013, as the parliament failed to set the date for Kiev mayoral elections. Only 209 deputies voted for a respective draft resolution, with at least 226 votes required. Early today, over 5,000 people led by Ukrainian political opposition leaders Vitaly Klitschko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. (Xinhua/Sergey Starostenko)

Dozens of opposition members surround the speaker's rostrum in Ukraine's parliament on April 2, 2013, as the parliament failed to set the date for Kiev mayoral elections. Only 209 deputies voted for a respective draft resolution, with at least 226 votes required. Early today, over 5,000 people led by Ukrainian political opposition leaders Vitaly Klitschko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. (Xinhua/Sergey Starostenko)

Dozens of opposition members surround the speaker's rostrum in Ukraine's parliament on April 2, 2013, as the parliament failed to set the date for Kiev mayoral elections. Only 209 deputies voted for a respective draft resolution, with at least 226 votes required. Early today, over 5,000 people led by Ukrainian political opposition leaders Vitaly Klitschko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. (Xinhua/Sergey Starostenko)

People rally outside the Ukrainian parliament in Kiev, April 2, 2013. Over 6,000 people led by Ukrainian political opposition leaders Vitaly Klytchko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside the Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. The meeting demands that the election date should be announced at the current parliament session, which ends on April 5. Ukrainian parliament has failed to set the date of the elections during its recent session on mid-March. (Xinhua/Sergey Starostenko)

People rally outside the Ukrainian parliament in Kiev, April 2, 2013. Over 6,000 people led by Ukrainian political opposition leaders Vitaly Klytchko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside the Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. The meeting demands that the election date should be announced at the current parliament session, which ends on April 5. Ukrainian parliament has failed to set the date of the elections during its recent session on mid-March. (Xinhua/Sergey Starostenko)

People rally outside the Ukrainian parliament in Kiev, April 2, 2013. Over 6,000 people led by Ukrainian political opposition leaders Vitaly Klytchko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside the Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. The meeting demands that the election date should be announced at the current parliament session, which ends on April 5. Ukrainian parliament has failed to set the date of the elections during its recent session on mid-March. (Xinhua/Sergey Starostenko)

People rally outside the Ukrainian parliament in Kiev, April 2, 2013. Over 6,000 people led by Ukrainian political opposition leaders Vitaly Klytchko, Oleg Tyagnybok and Arseny Yatsenyuk rallied outside the Ukrainian parliament on Tuesday to press the lawmakers to schedule the date of new mayoral elections in Kiev. The meeting demands that the election date should be announced at the current parliament session, which ends on April 5. Ukrainian parliament has failed to set the date of the elections during its recent session on mid-March. (Xinhua/Sergey Starostenko)