Thornbury police are appealing for witnesses and information after the tyres of 26 cars were slashed.
The damage happened overnight Tuesday to Wednesday, 1st/2nd February in a number of streets near to Castle School and off Gillingstool.
Anyone with any information which could help police enquiries is asked to call police on 0845 456 7000.
Two men were arrested in connection with the incident on Wednesday 2nd February. An 18-year-old man from Little Stoke and a 19-year-old from Thornbury were later released on police bail pending further enquiries.
Source: Avon and Somerset Police
