Fire crews tackled a blaze at a business in Pickering last night (Sunday).
Appliances from Malton and Helmsley were mobilised to Thornton Road in the town at 9.28pm.
A fire had been spotted in the yard of a builders merchants.
Thornton Road, Pickering
A North Yorkshire Fire & Rescue Service spokesperson said: “On arrival crews confirmed a fire measuring 5m x 5m consisting of insulation and timber.”
They put out the fire and dampened down the surrounding area.
The spokesperson added: “The cause of the fire was confirmed as deliberate.”