York Regional Police say a male cyclist has critical injuries after he was hit by a vehicle in Markham.
Emergency crews were called to Bayview Avenue and John Street at around 3:46 p.m. Sunday.
Police said the cyclist was taken to a trauma centre in critical condition with a severe head injury.
Investigators said the driver remained at the scene.
The daily email you need for
Toronto's top news stories.
Officers closed down John Street between Bayview Avenue and Baywood Gate for the investigation.