US President Barack Obama and his Russian counterpart, Dmitry Medvedev, signed a new treaty on the reduction of their countries’ strategic nuclear weapons in the historic Spanish Hall at Prague Castle, one year after Mr Obama delivered his keynote speech on nuclear disarmament in the Czech capital.
Under the new deal, the former Cold War adversaries will be limited to 1550 nuclear warheads, which is around 30 percent fewer than the ceiling set by the previous Sort agreement both countries signed in 2002.
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