Yobs vandalised four cars in a Bowthorpe street.
The crimes happened in Skoner Road between last Wednesday and Friday.
A Renault Scenic, Suzuki hatchback, Vauxhall Zafira and Ford Mondeo had windows smashed with a stone.
Norfolk police want to hear from anyone who saw the vandalism wor noticed anything suspicious in the area.
They are also keen to trace two young men seen in the area on Thursday night walking towards Webster Close.
Anyone with information should contact PC Richard Walker at Earlham Police Station on 101 or call Crimestoppers anonymously on 0800 555 111.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here