A cyclist was seriously injured after being struck from behind by a truck in a hit-and-run.

The incident happened at approximately 10:30 a.m. on Thursday, on York-Durham Line near Wagg Road on the border of Whitchurch-Stouffville and the town of Uxbridge.

The 33-year-old man from Toronto was riding southbound on York-Durham Line when he was struck by a black truck, according to Durham police.

The man was rushed to a Toronto trauma centre where he remains in serious condition.

The suspect vehicle is described as an older black tow truck with dual wheels at the rear and “FREE TOW AND SCRAP” written in white lettering on the sides of the vehicle.

Durham police believe the black truck will have damage to the front end.

Anyone with new information regarding this investigation is asked to contact Durham Traffic Services Branch at 1-888-579-152, extension 5231.

Anonymous tips can be made to Crime Stoppers at 1-800-222-8477(TIPS) or on the website at www.durhamregionalcrimestoppers.ca.