The black and white dog is believed to be a springer spaniel.
Officers in Loughborough are appealing for help to find the owner of a dog who bit a cyclist in Quorn.
The incident happened on a footpath behind Warwick Way and Poulteney Drive just before 3 pm on Tuesday 15 February.
The dog is believed to be a black and white springer spaniel called Zach.
PC Rebekah Harrison-Page, said: “I would like to speak to the dog’s owner as I believe she may have information that can help my investigation.
“If you own the dog, or you know who the dog’s owner is, then please get in touch.”
You can pass on information by visiting https://www.leics.police.uk/ro/report/ocr/af/how-to-report-a-crime/ and quoting reference 22*092951.
Alternatively, call 101.