State police are investigating how a tractor-trailer rolled over Tuesday afternoon on the Massachusetts Turnpike in Auburn.
The rollover happened just after 3 p.m. on the eastbound side of the turnpike at exit 10 near Interstate 290.
Police said crews were called in from Worcester to help extract a victim. The victim was then taken by medical helicopter to UMass Memorial Medical Center in Worcester where their condition is unknown.
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Parts of the turnpike were closed after the crash, but state police said around 8:45 p.m. that all lanes had reopened. Crews had to clean up the diesel fuel that had leaked from the truck.