Police in Corby are appealing for witnesses following a suspicious fire at a haulage firm on Sunday night.
Emergency services were called to the fire in Geddington Road at about 11.30pm. Seven vehicle transporters were damaged in the blaze, which was attended by eight fire engines and approximately 40 firefighters.
The fire had been brought under control by about 2am and fire crews remained at the scene until 7.30am yesterday morning.
An investigation is underway and police are appealing for anyone who may have seen anything suspicious in the area around the time of the fire, or have any information about it, to contact Northamptonshire Police on 101.
Alternatively, they can call the independent charity Crimestoppers anonymously on 0800 555 or use the anonymous online form at www.crimestoppers-uk.org.