A 57-year-old Middlesex Centre woman has life-threatening injuries following a serious motorcycle crash northeast of London.

The crash happened around 12:44 p.m. Sunday along a curved section of Medway Road at Olalondo Road.

Middlesex OPP say a blue Kawasaki bike was eastbound on Medway when it struck a gravel shoulder.

The woman struck a sign post after being ejected from the vehicle.

She was taken to hospital by ambulance with life-threatening injuries.

Police continue to investigate.