Windsor police are investigating a serious collision on Tecumseh Road East.
It happened around 4 p.m. Thursday on Tecumseh near Parent Avenue.
Police say a cyclist was struck by a vehicle.
Witnesses identified the victim as a woman, and police say the victim sustained serious injuries.
Witnesses say firefighters on scene had to lift the vehicle up to free the victim.
The section of Tecumseh Road East was closed for several hours for the investigatio.
Police are not releasing any more information, but continue to speak to witnesses about the incident.