A man and a woman thought to be in their sixties died following a head-on collision on March Road just south of Highway 417 at 9:30 Sunday night, the CBC reports.
The two were in a black Nissan that collided with a grey Honda Civic driven by a 24-year-old man. He was treated for serious injuries at the scene before being taken to hospital.
Witnesses to the accident are asked to contact the Ottawa Police Collision Investigation Unit at (613) 236-1222 ext. 2481, or Crime Stoppers at (613) 233-8477 (TIPS) or toll free at (800) 222-8477.
UPDATE: The Ottawa Citizen now identifies the couple who died as Douglas Foster, 69, and Joan Foster, 66.