A vehicle down an embankment has closed multiple lanes on Interstate 91 north in Rocky Hill on Tuesday morning.
State Dept. of Transportation officials said the crash is on I-91 north about 1/4 mile before exit 24.
At this time, the two right lanes are closed, they added.
State police said there is a large diesel spill and there's a nearby waterway risk. DEEP has already been called to the scene.
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There is no word on if anyone was injured in the crash.
It's unclear when the highway will fully reopen.