All northbound lanes of Highway 410 in Brampton are closed following a multi-vehicle collision Tuesday afternoon. The closure is in effect at Williams Parkway, with the on-ramp also off-limits, Ontario Provincial Police say. The circumstances behind the collision and the extent of any injuries sustained as a result of it are currently unclear. Motorists are being asked to avoid the area and use alternate routes. More details to come. This is a developing story.
