MATTAPAN (CBS) — A Dorchester man turned himself in early Sunday morning after police said he struck and killed a woman while driving drunk in Mattapan Saturday night.

Massachusetts State Police said Anthony Buchanan, 39, of Dorchester was speeding and driving erratically in a rented Dodge Charger Saturday night when he hit the 46-year-old Boston woman at the intersection of Morton and Canterbury Streets around 10:30 p.m. Saturday.

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The woman has not yet been identified.

State Police said Buchanan stopped briefly after striking the woman, and then drove away.

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Troopers found that the Charger had been rented by Buchanan from Enterprise Rent-A-Car in Dorchester, but did not find the man or the car at a Dorchester address associated with him.

Around 1 a.m. Sunday morning, Buchanan turned himself in at a Boston Police station. He was interviewed and arrested.

The Charger was found on Mount Pleasant Street in Boston and taken in as evidence in the investigation into the hit-and-run.

Charges against Buchanan include motor vehicle homicide while operating under the influence of liquor and leaving the scene of a crash that caused personal injury or death.

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He is currently being held at the State Police Barracks in Milton for the long weekend, and is expected to be arraigned Tuesday in Boston Municipal Court.