Oxford OPP say a crash Sunday evening that shut down the eastbound 401 near Sweaburg Road involved a total of seven vehicles.
Two vehicles collided around 6:30 p.m. Sunday, prompting a chain-reaction crash. In total, six cars and a minivan were involved in the crash and all of them had to be towed off the highway. Two adults suffered minor injuries.
The eastbound lanes were closed for nearly three hours, causing major delays in the area.
Anyone with information is asked to contact OPP; the crash remains under investigation.