Police are appealing for witnesses after a catering van was alight in March
The incident happened between 2.50pm on Monday (October 15) and 5.30am the following day in Longhill Road.
Officers are treating the fire as arson.
No one was injured during the incident but the van was destroyed.
PC Janine Hagger said: “I would like to hear from anyone who was in the area and noticed anything suspicious or who has information about those responsible.”
Anyone with information should contact PC Hagger on 101 or Crimestoppers, anonymously, on 0800-555111.