A new round of talks between Iran and six world powers is underway in Vienna.
The talks aim to build on an earlier interim deal which saw Iran make concessions in its nuclear program in exchange for an easing of international sanctions.
The West suspects Iran of trying to acquire nuclear weapons but Iran insists its program is entirely peaceful.
Europe correspondent Kerry Skyring is at the talks, and he's told Marina Freri there are low expectations of reaching a permanent deal.
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