ukraine 's opposition won a symbolic victory in its battle over a disputed presidential election saturday after parliament declared results from the vote invalid in a non-binding resolution .

A summary about the text above: ukraine parliament hands opposition symbolic win over disputed vote

a former burundi intelligence chief , charged with offences against national security , was refusing friday to leave his home in the capital bujumbura where he is protected by soldiers belonging to his hutu ethnic group .

A summary about the text above: wanted burundi intelligence chief refuses to leave house

the ugandan government on friday expressed concern about a confirmed anthrax case in neighboring east african country of kenya .

A summary about the text above: uganda scales up anthrax alert

nasa will take aim at the martian north pole this weekend .

A summary about the text above:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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nasa s phoenix lander set for saturday liftoff to mars ; spacecraft will try to locate a habitable zone on red planet