It is believed to involve a number of rough sleepers in the town, with injury to at least one person. Witnesses have described one man having a lot of blood covering his legs.
A spokesperson for North Yorkshire Polcie said:
We were called at about 8.30am this morning with a report that a man had been assaulted on Cambridge Road, Harrogate.
He has been taken to hospital for treatment.
Officers are at the scene, and our investigation into the incident is ongoing.
If you have information on the incident please call North Yorkshire Police on 101 quoting 12180155086
More details as we receive.