Crews responded to a crash in Westford involving a propane truck Wednesday afternoon, according to officials.

Sky 7 HD flew over the scene on Boston Road at the on-ramp to I-495 at approximately 3:30 p.m. The truck appeared to be off the road.

No word on the cause of the crash, or if anyone was hurt.

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

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