Emergency crews have been called to Abbotsford to deal with a serious crash involving a flipped semi truck.
Abbotsford police said it happened on Sumas Way at the westbound entrance to Highway 1.
Police said the intersection was closed and access to the freeway and Sumas Way northbound was temporarily closed.
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It remains unclear how many vehicles were involved in the crash, or whether anyone was hurt.
Police said the cause of the crash remains under investigation.
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