The Windsor Police Service's Major Crimes Unit is investigating a violent altercation that happened near the downtown core.
The incident took place early Sunday morning in the area of Aylmer Avenue and Wyandotte Street East.
A spokesperson from the Windsor police confirmed that about 10 people were involved and three of them were sent to hospital with unknown injuries.
Police remained at the scene until Sunday afternoon conducting an investigation.
Charges have yet to be laid in relation to the incident.