Updated

Unrest broke out in a Salt Lake City neighborhood Saturday night after what appears to be a shooting involving a police officer, the Salt Lake Tribune reports (http://bit.ly/1Qce9DU .)

The shooting happened about 8:15 p.m. near downtown, the paper says. Selam Mohammad told the Tribune that a police officer shot a 16-year-old boy who was his friend. Police have not provided details about the shooting, the newspaper says.

City police are being helped by officers from three other departments as onlookers throw rocks at officers and yell obscenities, the Tribune says. Police have closed a light rail stop in the neighborhood.

The Tribune reports that there are a number of homeless shelters in the neighborhood and that business owners have long complained about the homeless population and drug dealing.

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Information from: The Salt Lake Tribune, http://www.sltrib.com