A woman was seriously injured in a pedestrian crash on Calgary's 17th Avenue. The incident occurred at the intersection of 17th Avenue and Ninth Street. According to the Calgary Fire Department, the crash involved two vehicles. The woman, identified as a pedestrian, was found in a critical condition. Emergency services responded quickly to the scene. Police are investigating the cause of the accident. No other injuries were reported. The area was temporarily closed during the investigation. Authorities have not released further details about the incident.