Workers taken off North Cormorant platform after gas leak.
An investigation is under way after more than 90 workers were evacuated from a North Sea oil platform following a gas leak.
They were taken to nearby installations after the alarm was raised on the North Cormorant platform at about 05:00 on Sunday.
Operators Taqa Bratani said the platform was shut down as a precaution.
No-one was injured. The company said the exact cause of the incident was not yet known.
Taqa said 92 non-essential crew were transferred, from a total of 202 personnel.
The neighbouring feeder Tern and Eider installations were also shut down.
The North Cormorant platform is about 109 miles off Lerwick, Shetland.