Ottawa police say a 20-year-old man is in life-threatening condition in the hospital following a two-vehicle crash Thursday evening in rural east Ottawa. A car and a transport truck without a trailer collided at around 7:45 p.m. in the 700 block of Burton Road, according to police. The 20-year-old driver of the car was taken to the hospital in critical condition. He was the only person in the vehicle. The driver of the transport truck was not injured. Ottawa police are asking anyone who witnessed the collision or who might have dashcam or video footage of the incident, and who has not yet spoken with investigators, to contact the OPS Fatal Collision Investigation Unit at 613-236-1222, extension 2345. Anonymous tips can be submitted by calling Crime Stoppers toll-free at 1-800-222-8477 or online at crimestoppers.ca.