A serious crash closed a road in Guilford on Friday afternoon.

It happened just before 3 p.m. on Long Hill Road at the intersection of Laurelbrook Drive, according to police.

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The crash involved serious injuries, police said.

Long Hill Road was closed between Red Coat Lane and Woods End Road. It was not clear how long the road was expected to be closed.

Police asked drivers to avoid the area.

The South Central Connecticut Traffic Unit was activated to help with the investigation.

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