A Watertown man was killed after police said he crashed into a parked tractor-trailer in Waterbury early Wednesday morning.
Police identified the driver as 31-year-old Christopher Ortiz, of Watertown.
Officers were called to a crash on South Main Street at the intersection of Verzier Street shortly after midnight.
When police arrived, they said they found that a white 2005 Nissan Altima was driving north, drifted across the road, and hit a parked, unoccupied tractor-trailer.
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According to investigators, the Nissan Altima had heavy damage and firefighters had to extricate the Ortiz from the car.
Ortiz was taken to the hospital to be treated for multiple serious injuries, police said. He was pronounced dead a short time later.
The Waterbury Police Department Crash Reconstruction Unit is continuing to investigate the cause of the crash.
The owner of the tractor-trailer has been notified and is cooperating with officers and the investigation, police said.