A 23-year-old woman is in hospital with life-threatening injuries after she was struck by a vehicle on Riverside Drive early Tuesday morning, Ottawa Police said.

Emergency crews responded to the collision on Riverside Drive, north of Heron Road, at about 4:28 a.m. on Oct. 20, according to Ottawa Police.

The woman was rushed to hospital, where she remains in life-threatening condition. Police said the driver of the vehicle was not injured.

Investigation ongoing

The investigation is ongoing, and police are asking anyone who may have witnessed the collision, or who has dash camera footage of it, to come forward.

Witnesses and anyone with footage are asked to contact the Ottawa Police Fatal Collision Investigation Unit at 613-236-1222, extension 2345.

Tips can also be submitted anonymously through Crime Stoppers by calling toll-free at 1-800-222-8477 or online at crimestoppers.ca.

Ottawa Police are also encouraging residents to register their information and security camera locations at CAMSafe.ca, a program that helps police identify nearby cameras when investigating incidents in the community.

Members of the public can view, download and interact with police data through the Community Safety Data portal at data.ottawapolice.ca.