Avon and Somerset Police are appealing for witnesses and information following damage to a number of vehicles across Avon and Somerset in the last 48 hours.
Officers are investigating over 50 incidents in which cars have damaged by an offender or offenders spraying vehicles with yellow paint.
Reports have been received in South Gloucestershire, Avonmouth, Shepton Mallet and Glastonbury as well as in Bath, mainly in the North of the city.
Residents across Avon and Somerset are being urged to remain vigilant and report any suspicious activity around vehicles.
Anyone who may have information about those responsible for these incidents is also asked to call police on 101 or alternatively call Crime stoppers on 0800 555 111. We never ask your name or trace your call.