A three-vehicle accident Monday night near the entrance to Stony Brook University left one man hospitalized -- and, police said, under arrest on a drunken- driving charge.

At least one of the vehicles involved in the crash on Route 25A in South Setauket overturned, Suffolk County police said. All three vehicles -- a Saab, a Mercury and a Chevrolet Blazer -- were occupied only by a driver. The crash occurred at 10:47 p.m.

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Police said the Blazer overturned. But it was the driver of the Saab who was injured in the crash and was taken to Stony Brook University Hospital for treatment, police said. The injuries were described as not life-threatening.

The driver, whose identity was not released, was later arrested and charged with DWI.

Arraignment details were not immediately available.