The UK says a nuclear deal with Iran is unlikely to be completed in time for Monday's deadline.
Talks between Iran and six world powers are up and running in Vienna.
But there are growing doubts agreement can be reached by Monday on issues like how much capacity for enriching uranium Tehran should have, and how quickly international sanctions should be removed.
Our correspondent Sandra Gathmann is in Vienna.
IN: "Well I'm...
OUT: ...coming days."
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