Unarmed 17-year-old fatally shot while fleeing Pittsburgh police

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Some viewers may find the following video disturbing. Dozens gathered in the streets of Pittsburgh to protest the death of Antwon Rose, an unarmed 17-year-old boy shot by a police officer Tuesday night. Police say Rose was trying to flee a traffic stop for a car suspected in a nearby drive-by shooting. NBC’s Ron Mott reports for TODAY.