Sunday"s presidential runoff in Ukraine...

With 97.84% of the ballots counted, opposition leader Viktor Yanukovych leads with 48.5%, followed by Prime Minister Yulia Tymoshenko with 45.91%.

Tymoshenko has ignored Yanukovych"s calls for her to concede, saying the vote is too close to call. She has also pledged to call mass protests if she believes the vote was rigged in favor of Yanukovych.

Street protests in 2004 led to the annulment of Yanukovych"s victory in presidential elections and the triumph of pro-Western Viktor Yushchenko.

MOSCOW, February 8 (RIA Novosti)