A pedestrian was transported to hospital with life-threatening injuries after being struck by a vehicle at one of the city's busiest intersections Friday morning.

Ottawa Police say they were called to Bronson Avenue at Carling at 9:47 a.m. and say the woman suffered critical head and pelvic injuries.

Ottawa Police, Ottawa Paramedics, an off-duty Ottawa Trauma physician, and bystanders assisted the victim.

Carling Eastbound is closed from Bronson Avenue to Booth Street.

Police are asking anyone who witnessed the incident to come forward by contacting the Ottawa Police Service Traffic Collision Investigation Unit at 613-236-1222 ext. 2481 or Crime Stoppers at 1-800-222-8477 (TIPS).