Debris fell into a busy road at a construction site in Hopkinton, Massachusetts, on Wednesday.
Hopkinton police warned drivers to be aware of the issue on Main Street. Photos from the scene show what looks like a partially collapsed building that had fallen onto a fence and into the road.
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Drivers are urged to find alternative routes until the area can be cleared.
More details were not immediately available. NBC10 Boston has a crew headed to the scene and will provide updates as they come into the newsroom.
This is a developing story. Check back for updates.