A female passenger has been airlifted to hospital with life-threatening injuries after a motorcycle collided with a car in East Gwillimbury late Sunday afternoon.

Police were called to the area of Leslie Street, just north of Holborn Road, at around 4:30 p.m. after receiving reports of a collision.

A female passenger on the motorcycle was found suffering from serious injuries and taken to hospital by air ambulance.

A male motorcyclist was also transported to a local hospital by land ambulance. Police say his condition remains unknown.

York Regional Police have closed down the area of Leslie Street from Queensville Side Road to Boag Road as they conduct an investigation.