A female is in serious condition at the Victoria campus of the London Health Sciences Centre following a motor vehicle collision early Sunday.
The crash happened about 2:30 a.m. at the intersection of Ambleside Drive and Western Road, which remains closed.
Police say at least one vehicle was involved but they are seeking more information.
Traffic management reconstruction has been called to continue the investigation.
The intersection of Ambleside Drive and Western Road remains closed to traffic.
The identity of the female is not being released to allow notification of all next of kin.
