Police hunting for missing woman Emma Faulds are said to be searching a wind farm in South Ayrshire.
According to sources, detectives have been working with Scottish Power staff at the Kilgallioch plant to search the vast location.
The power plant is close to the A714 road which police have previously said is the key to their investigation.
Ross Willox, 40, from Ayrshire has been charged with Ms Fauld's murder.
He made no plea during his appearance at court last week and remains in custody.
Ms Faulds, 39, was last seen in Monkton in Ayrshire on Sunday, April 28.
Her body has not been found but efforts to find her have focused on the area of Barrhill, three miles from the wind farm.
Earlier this week police appealed for information on the movements of two black cars - a Mercedes and a Jaguar - on the A714 between between Girvan and Newton Stewart.
If you have any information call police on 101
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