A total of 13 fire crews are battling a blaze at a saw mill at Studley, near Calne.

Police and fire crews were called to Vastern Timber just after 10am today.

There are not believed to be any casualties and no-one is trapped inside the building.

A fire service spokesman said: "We got the first call at 10.01am. The number of crews was made up after the first ones arrives.

"There are water carriers and a high rise ladder as well other fire appliances. We are asking people nearby to keep their windows closed because of the amount of smoke.

Calne fire station is leading the operation but at this stage the extent of the blaze is not known. Crews from Chippenham, Devizes, Marlborough, Swindon, Melksham and Trowbridge are among those at the site.

Police are assisting the fire service by using drones to get pictures from the air of the blaze.

Vastern operates from two sites at Studley and Wootton Bassett. Its website says: "We sawmill and process upwards of 9000 M3 of logs per year.

"We cut English oak, ash, sweet chestnut, sycamore, and elm, as well as speciality softwoods such as larch, western red cedar, and Douglas fir. Cutting and processing our own logs allows us to offer a range of species, grades and specifications that are not widely available from other merchants.

"Our facilities include log-converting bandmills, computer-controlled drying kilns and well-equipped machining facilities capable of processing both hardwoods and softwoods for a wide range of uses. We have the largest stocks of British grown timber."

While we have maintained our position as a key supplier to furniture makers, we are now better known as manufacturers of oak beams, timber cladding and hardwood flooring. Our customers are interesting and varied, including national contractors, specialist oak framers and individual self-builders.