Workers at a Swinton factory had to be evacuated when the roof of their building caught fire.
Dearne firefighters spent an hour-and-a-half quelling the blaze at Glassprint Ltd, Whitelee Road, at 5.30pm yesterday.
A fire spokesman said: “All workers were evacuated safely. No-one was injured during the incident.”
The cause of the fire was revealed as accidental.
No-one was available to provide a comment from the company.