Qatari diplomat detained after incident on US plane

A Qatari diplomat has been detained after an incident on a flight from Washington's Reagan airport to Denver.Two F-16 jets were scrambled to intercept the United Airlines plane and escort it to land safely at Denver airport, US officials said.Initial...

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US and Russian leaders hail nuclear arms treaty

US President Barack Obama and his Russian counterpart, Dmitry Medvedev, have signed a landmark nuclear arms treaty in the Czech capital, Prague.The treaty commits the former Cold War enemies to each reduce the number of deployed strategic warheads to...

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