Three teenagers were killed and four others were injured when the stolen car they were in slammed into a semitrailer truck early Tuesday near the University of Minnesota, according to a person briefed on the accident by law enforcement.
The person, who could not speak publicly because it involves an active investigation, said the ages of the people in the car ranged from 15 to 19 years old. The driver and front seat passenger were 15-year-old boys, and both died…