About 70 cars and other vehicles were vandalised in the Stobswell area of Dundee on Saturday night, police said.
Every one of the vehicles - which were parked in Baxter Park Terrace, Wortley Place and Pitkerro Road - had been scratched along its entire length.
Tayside Police said house-to-house inquiries and extra foot patrols were being carried out to try to discover who was responsible.
Insp David Scott said "such wanton vandalism is despicable".
