Hundreds of oil workers are being airlifted off an oil platform in the North Sea following a security alert.
A total of 539 people are being taken off the Safe Scandinavia in an operation involving 13 helicopters and a fixed wing aircraft.
They are being transported to other rigs in the area.
The operation, 130 miles off the Aberdeen coast, began at 0920 GMT on Sunday and is being co-ordinated by Grampian Police.
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Squadron leader Barry Neilson, from RAF Kinloss, said of the incident: "It's unusual, that's probably the best way to describe it. But it falls within our normal operating procedures and we are reacting accordingly.
He added that there was a report of a woman on the platform who had sparked the incident, but he could not go into details at this stage.
The Press Association reported that a "device" had been found on board.
However, Mr Neilson said "we are not sure about a device".
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(BBC)
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