DULUTH, Minn. (AP) — A medical examiner has ruled the death of a 5-week-old Duluth boy this summer a homicide.

The Hennepin County Medical Examiner’s office says Jamal Trey Chaterlays-Simpson died from head trauma.

According to the report, the boy was injured in Duluth and died Aug. 10 at a Minneapolis hospital.

Duluth police are investigating.

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