London Police are investigating a serious overnight collision involving a cyclist and a vehicle.
It happened around 2:30 a.m. Sunday in the southbound lanes of Highbury Avenue between Hamilton Road and Commissioners Road.
Police say a female cyclist was struck by a vehicle on the roadway and was ejected from the bike.
The cyclist was rushed to London Health Sciences Centre where she remains in serious condition.
Police say her name will not be released until her family is notified.
The investigation continues and police are asking anyone with information to call 519-661-5680.