SIOUX FALLS — Names have been released of the three people who died Thursday, July 22 in a one-vehicle crash in Sioux Falls.

They have been identified as the male driver, 22-year-old Sean Morck of Sioux Falls, and the female passengers, 18-year-old Breanne Gaffin of Worthing and 16-year-old Kali Johnson of Canton.

Morck was driving a 2010 Mazda compact car northbound on I-229 when it left the roadway to the right, hit a tree and caught on fire.

All three occupants were pronounced dead at the scene. Seat belt use in the vehicle is under investigation, according to the South Dakota Department of Public Safety.

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