Westbound lanes of Highway 1 were shut down overnight after a police incident near Abbotsford.
Witnesses say there may have been a police pursuit between Chilliwack and Abbotsford.
It started with a collision just west of Sumas Road.
Westbound lanes were closed for several hours while the Integrated Collision Analysis and Reconstruction Team investigated.
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At this time there is no word on any injuries.
We will update this story when more information is available.
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