Deadly bomb blast in Pakistan
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Oklahoma tornado: school survivor's tale
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Video captures tornado ripping through small town in Russia
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IRS official refuses to answer questions at scandal hearing
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Russian animal astronauts return to Earth
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Pakistan's Imran Khan leaves hospital
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Kerry arrives in Jordan for "Friends of Syria" meeting
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Pope Francis prays for Oklahoma tornado victims
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South Korea helicopter on show
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Students scream moments after tornado's devastation
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Satellite imagery shows devastating storm system hitting Oklahoma
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Myanmar President Thein Sein meets with U.S. lawmakers
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