Route 3 South in Glastonbury is closed by exit 3 because of a crash, according to state police.
The three-car crash happened just after 10 a.m.
Injuries were reported, and at least one person has been taken to the hospital, state police said.
The southbound lanes of Route 3 are shut down as police investigate the crash.
State police advise drivers to plan for delays in the area and to find other routes if possible.
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