At Tuesday's U.N. hearing, Biti will present evidence the party believes shows Zimbabwe's deteriorating political climate and a government trying to hold on to power, said George Sibotshiwe, a spokesman for Tsvangirai.

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In a hearing in a federal courthouse in Buffalo, N.

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"The reports that we are hearing are very alarming, " said U.N. refugee agency spokeswoman Kitty McKinsey.

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For those who may have missed hearing about the pageantry and excitement of the previous U.N. summit held in Copenhagen last year, I will recap some highlights that set the stage for this most auspicious upcoming event and underscore its urgency.

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But I think this is actually a genuine interest in hearing what kind of mandate Mr. Brahimi will be given by the U.N.

WHITEHOUSE: The White House