A 21-year-old woman was killed in a motorcycle collision in Ottawa's south end. The accident happened early Friday near the intersection of West Hunt Club and Merivale roads. Emergency services responded to the scene but could not save the rider. The collision occurred during early morning hours. Authorities are investigating the cause of the crash. No other casualties were reported. The location is in a residential area of the city. Police have not released further details about the incident. The victim's identity has not been disclosed. The crash is under review by local law enforcement.