Yushchenko said he "will never pursue the policy of persecution and retaliation" if he defeats Prime Minister Viktor Yanukovych, the winner of the 21 November election annulled by the Supreme Court.
Meanwhile, life is returning to normal in central Kyiv as most of Yushchenko's supporters have ended street protests that began after the disputed poll. Several hundred Yushchenko supporters remain outside the office of outgoing President Leonid Kuchma.
"Frequently Asked Questions" about the Ukrainian crisis
"Politicians To Watch" as events unfold
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