MOSCOW—Authorities in Crimea barred the Crimean Tatar leader from returning to the breakaway region and Russia for five years as he left Tuesday for meetings in the Ukrainian capital Kiev.

Mustafa Dzhemilev was seeking to meet with visiting U.S. Vice President Joe Biden in Kiev, the Tatar assembly said late Monday. However, a senior U.S. administration official said they didn't meet and no meeting had been planned. Mr. Dzhemilev couldn't be reached on Tuesday for comment.

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