Supporters of Ukrainian opposition leader and presidential candidate Viktor Yanukovych react holding his portrait during a rally in front of Central Election Commission, in Kiev, Ukraine, Tuesday, Feb. 9, 2010. Ukraine's Prime Minister Yulia Tymoshenko's campaign said Tuesday it plans to legally challenge the results of the presidential runoff that opposition leader Viktor Yanukovych appears to have won. Yanukovych's Party of Regions, meanwhile, rejected calls for further scrutiny of the election.