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John Harper and Aline Carambat / Houma Courier

A Central Lafourche High graduate was brain dead Thursday morning from injuries he sustained Wednesday when his SUV was struck by a suspected drunk driver hours after commencement, authorities said.

Tyler Dufrene, 17, of Gheens, was pronounced brain dead Thursday at University Hospital in New Orleans, State Police Troop C spokesman Evan Harrell said this morning.

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