Police officers investigating a spate of attacks on cars in Grassmoor want to hear from witnesses.
Motorists have reported six attacks on their cars while parked on Chapman Lane in the early hours of Sunday, September 21.
Five of the vehicles had wing mirrors damaged and one vehicle was dented.
Officers are keen to trace a group of six people seen in the area just after 2.20am.
Anyone who may have seen anything suspicious, or with information on who was responsible, should contact Derbyshire Police on 101 and ask for either PCSO James Land or PC Matt Rodda.
Crimestoppers can also be contacted on 0800 555 111.