A multi-vehicle crash just outside of St. Thomas, Ont., sent four people to hospital earlier this week.
Emergency crews were called to Talbot Line, between Lyle Line and John Wise Line, in Southwold Township at 4:37 p.m. on Thursday after a serious collision involving multiple vehicles.
In an update Friday morning, OPP said that two transport trucks, an SUV and a sedan were involved in the crash.
Four individuals, two from the SUV and two from the sedan, were to hospital with serious injuries.
The roadway was closed for the investigation but has since re-opened.
The investigation is ongoing.
Anyone with information can contact Elgin OPP at 1-888-310-1122.