A Dumfries and Galloway Police spokesman said:
“The causes of the fires are being investigated. We are anxious for anyone with information to come forward so that whoever is responsible can be apprehended.”
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Calmer conditions - for now.
The 12.5 hour walkout by 63 GMB members got under way at 6am this morning and will continue until 6.30pm this evening.
37-year-old Graeme Haddon pleaded guilty to the offence which happened in his home village of Lamancha near West Linton at the weekend.