Total has said it has found the source of the gas leak from its North Sea platform.
In a statement it said:
The leak is from a well that was plugged one year ago and from a rock formation in about 4,000 metres depth.
The gas is coming from the Elgin platform above sea level but engineers say they need to know where the leak is coming from before they repair it.
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Penny Mordaunt called it an “historic and great” day for Ireland.
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Counting will begin on Saturday morning, with the result expected later in the day.