A motorcyclist is in hospital with life-threatening injuries after being struck by a driver in an 18-wheeler truck in Scarborough on Sunday night, Toronto police say.

Police said the 46-year-old man was heading north on Warden Ave., near Ellesmere Road, just after 7 p.m. A transport truck driven by a 47-year-old man was heading south on Warden and turning left at Continental Pl., when he struck the motorcyclist.

The motorcyclist from Durham Region was found conscious and taken to a trauma centre.

Police are asking local residents, businesses and drivers, who may have security or dash camera footage of the area or incident, to contact investigators.

Anyone with information is asked to contact police at 416-808-1900, Crime Stoppers anonymously at 416-222-TIPS (8477), online at www.222tips.com, online on our Facebook Leave a Tip page, or text TOR and your message to CRIMES (274637).

With files from Jacob Lorinc

Miriam Lafontaine is a breaking news reporter, working out of the Star’s radio room in Toronto. Follow her on Twitter: @mirilafontaine