A multi-vehicle crash involving a tanker trailer has closed the eastbound and westbound lanes of Highway 401 near Avenue Road.

Provincial police first reported the closure of the westbound lanes just after 11 p.m.

Highway camera photos show a tanker truck blocking the westbound portion of the express lanes while a portion of the concrete barrier separating the express lanes has been damaged, with large pieces of concrete debris strewn across the eastbound portion of the highway.

There was no immediate word on injuries.

For the latest on this developing story, listen to 680 NewsRadio overnight

See Full Page