The police chief in the Missouri city where a police officer shot and killed an unarmed 18-year-old has said that the incident began with a "physical altercation" in a patrol car.
St. Louis County police chief Jon Belmar said shots were fired in the vehicle before the unnamed officer continued to struggle with Mike Brown a short distance from the car before firing the fatal shot.
Protesters could be heard outside the room where the police chief was giving a media briefing this morning local time.
The police officer responsible for killing the teenager, who was walking to his grandmother's house on Saturday afternoon, has been put on paid leave while the incident is fully investigated.
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