DES MOINES, Iowa (AP) — Authorities say an Iowa man was killed and another was injured in an early morning car crash.

Des Moines police say they were called to the single vehicle crash around 2:40 a.m. Sunday. A passenger, 23-year-old Bill Saywonson of Des Moines, died at the scene. The car’s driver 24-year-old Dawood Mekonnen Nega, was hospitalized with serious injuries.

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Police say the vehicle crashed into a traffic signal pole after losing control in an intersection just north of downtown Des Moines. Witnesses pulled both men from the vehicle after it appeared to be catching fire.

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Police say they’re investigating excessive speed and impaired driving as possible factors in the crash.

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