Firefighters are currently tackling a large fire at Shanleys scrapyard in Shails Lane, Trowbridge.
The fire service was called at 9.39am and there are six fire engines and a water carrier in attendance.
Thirty firefighters are tackling the fire which involves a large quantity of metal.
Police have closed Wicker Hill, Hill Street and Seymour Road and say there will be no access to the one-way system there and are asking motorists to seek alternative routes.
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