A North Yorkshire Police spokesman said:
Enquiries are on-going to establish exactly what happened to the 37-year-old man between 12.45am and 1.50am on Tuesday (11 October 2016) in the Station Avenue/Queen Parade area of Harrogate.
This includes investigating his complaints that he was knocked down by a car which left him with a fractured ankle, as well as the theft of two mobile phones that were on the ground while he was laid injured and seemingly taken by two unknown men.
If anyone has information that could help, please call North Yorkshire Police on 101, select option 1, and speak to the Force Control Room.
Or call Crimestoppers anonymously on 0800 555111. Please quote reference number 12160184878 when providing details about this incident.