Police in the Scottish Borders are appealing for witnesses after the fire exit door of a cinema in Galashiels was set alight.
The suspicious incident happened at around 6.30pm on Saturday 4 November at the Pavillion Cinema.
It became apparent after customer at the cinema reported a burning smell to staff.
The fire was quickly extinguished and nobody had to be evacuated.
However, around £1,000 in damage was caused to the door.
Inspector Mike Bennett said:
Thanks to the vigilance of the customer, and the quick actions of the staff, the fire was discovered and extinguished before it could grow and spread.
Anyone with information should contact Galashiels Police Station on 101 and quote incident number 3484 of 4 November or Crimestoppers, anonymous, on 0800 555 111.