The Alberta Serious Incident Response Team (ASIRT) has been called to investigate after a man and a woman died following a collision in north Edmonton.

Police said the incident happened just after 3 a.m. Sunday in the area of Yellowhead Trail and Victoria Trail as they were running a checkstop near the Beverly Bridge.

“A black Toyota Camry approached the checkstop, did a u-turn, and then accelerated westbound in the eastbound lanes at a high rate of speed,” Const. Rick Evans explained.

Reports indicate the driver may have been travelling at 150 km/h.

The Toyota hit a Mercedes Benz SUV head-on, then it collided with a Chevrolet Cobalt that was also travelling eastbound on Yellowhead Trail.

The 21-year-old male driver and a 21-year-old female passenger of the Camry were declared dead at the scene.

Another 22-year-old male passenger from that vehicle was taken to hospital after suffering severe injuries.

The 33-year-old male driver of the SUV was also taken to hospital with severe injuries.

The 23-year-old driver of the Cobalt was treated and taken to hospital with a less severe injury.

Speed and alcohol were both considered factors in the collision.

ASIRT has been directed to review the Edmonton Police investigation of the incident.

The deaths are Edmonton’s 17th and 18th traffic fatalities of 2015.

With files from Frazer Snowdon