Deal reached in Iranian nuclear talks

Iran and six major world powers have reached a deal in nuclear talks, capping more than a decade of on-off negotiations with an agreement that could potentially transform the Middle East.

Under the deal, sanctions imposed by the United States, European Union and United Nations would be lifted in return for Iran agreeing long-term curbs on a nuclear programme that the West has suspected was aimed at creating a nuclear bomb.

Reaching a deal is a major policy victory for both US President Barack Obama and Iran's President Hassan Rouhani, a pragmatist elected two years ago on a vow to reduce Iran's diplomatic isolation.

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