Interstate 91 in North Haven has reopened after a crash involving five vehicles on Saturday night.
The crash happened on the southbound side of the highway between exits 10 and 9, officials said.
One of the vehicles involved in the crash was a tractor-trailer, which rolled over. Fire officials said the tractor-trailer was carrying produce.
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Connecticut State Police requested that the Department of Consumer Protection respond.
Six people were involved in the crash and state police said there were minor injuries reported.