The province's Special Investigation's Unit is appealing for witnesses following a crash between an OPP cruiser and a motorcycle east of Shelburne.

The crash happened just before 5:30 p.m. on Highway 10 near the 25th Sideroad.

The SIU says a Dufferin OPP officer was travelling south on Highway 10 and was involved in a collision with a motorcycle.

A 52-year-old man was taken to Headwaters Health Care Centre in Orangeville with serious, including a back injury.

The highway was closed between Highway 89 and 25th Sideroad for several hours, for the investigation.

Anyone with information is asked to call 1-800-787-8529 ext. 1965.

The SIU is an arm’s length agency that investigates reports involving police where there has been death, serious injury or allegations of sexual assault.