Jake Molloy, Regional Organiser of the OILC union, told STV on Monday that if reports of gas bubbling up through the water under the platform are true then the situation is likely to be "very volatile".
He said there may be a risk of explosions and of the poisonous gas hydrogen sulphide, although added that the evacuation had been quick and efficient.
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Europe has given the Bramley apple pie filling protected status alongside several other delicacies such as Italy’s mozzarella cheese.
Plenty of sunshine throughout the day tomorrow although showers will continue to affect the eastern areas.