Calgary police are investigating a fatal collision on Stoney Trail

The Calgary Police Service (CPS) is conducting an investigation into a fatal collision Saturday that left a teenager dead.

According to a CPS statement released Sunday, the incident occurred around 4:30 p.m. when the driver of a silver Infiniti G37 traveling south on Stoney Trail approaching McKnight Boulevard NE lost control.

The vehicle crossed the median and struck a light pole before coming to rest in the northbound lanes of Stoney Trail.

One passenger, a 15-year-old boy, who was ejected from the vehicle was pronounced dead at the scene.

The driver of the vehicle was taken to hospital in serious condition. Three other passengers were also taken to hospital with minor injuries.

According to police, excessive speed is being investigated as the cause of the accident.

Police are asking anyone who witnessed the collision or has dashcam footage from the area at the time of the incident to contact police at 403-266-1234.