A cyclist is in serious condition after a hit-and-run collision Thursday night near Ingersoll.

OPP are searching for a suspect after a 33-year-old male cyclist, heading south on Culloden Road near Union Road, was struck.

Police say a pickup truck travelling south hit the cyclist from behind, causing him to be thrown into the west side ditch. The driver continued on while witnesses of the collision stopped and assisted the cyclist.

The suspect vehicle is described as a red, full size, older model pickup and will likely have damage to the front passenger side corner.

Anyone with information is asked to call police.