Police are appealing for information after a Springer Spaniel was attacked by two Rottweilers on the Common in Winsford on the evening of March 2.
The Spaniel required veterinary treatment for puncture wounds following the incident, which occurred at the bottom of the track leading down from the housing estate on Thrush Way towards the River Weaver.
Officers are trying to identify the owner of the dogs.
Anyone with information is urged to contact Cheshire police on 101 quoting incident 232 of March 4, 2015.
Alternatively, information can be passed anonymously to Crimestoppers on 0800 555 111.