A serial tyre slasher targeted at least five vehicles parked up in Lancaster over the weekend.
Police said they had received five reports of tyres being slashed on vehicles parked on Ambleside Road 10pm on July 17 and 7.30am on July 18.
A VW Polo, two Vauxhall Astras, a Vauxhall Insignia and at least one other vehicle all had at least one car tyre slashed, causing a few hundred pounds damage.
Police said enquiries were still ongoing and CCTV evidence was being collected.
If anyone has any information, contact PC Danny Arundale on 101 or email Lancaster.NPT@lancashire.pnn.police.uk.
Alternatively, call Crimestoppers anonymously on 0800 555 111 or report a crime online by visiting www.Crimestoppers-org.uk.