Multi-vehicle crash causing heavy delays on I-495 in Westborough

WESTBOROUGH, MASS. (WHDH) - A multi-vehicle crash with injuries is causing heavy delays on Route 495 in Westborough.

The crash on the northbound side of the highway near Exit 23 has resulted in the closure of the left and middle lanes.

This is a developing news story; stay with 7NEWS on-air and online for the latest details.

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