OPP say an impaired driver going the wrong way on the QEW was responsible for a 4-car crash.
Three people were hospitalized with minor injuries as a result of the four-vehicle collision at about 9 p.m., on the QEW between Brant Street and Guelph Line.
Police said it appears a driver was driving westbound in the eastbound lanes and crashed into several vehicles.
Halton Region paramedics responded and treated several patients at the scene.
A 35-year-old Stoney Creek woman has been charged with impaired operation of a motor vehicle, dangerous driving and refusal to comply.
Anyone with information can call the OPP at 905-278-6131.