A woman was knocked unconscious when the portable toilet she was using was pushed over by youths.
The 27-year-old was in the cabin at the Mill Street entrance to Colliston Park in Dalbeattie, Dumfries and Galloway at around 10.45pm on Saturday.
The portable toilet was toppled over by a group of youths and she was knocked out.
Passer-bys rescued her and took her to Dumfries and Galloway Royal Infirmary where she was checked over before being discharged.
A civic day took place in Colliston Park on Saturday with a host of events before fireworks in the evening.
Police are now appealing for witnesses as they want to speak to the youths. There is no description available.
Anyone with information should contact police on 0845 600 5701.