Reports indicate that police officers opened fire on the man after he turned around to face them.
An unarmed and, reportedly, mentally unstable black man was shot multiple times and killed in the Crown Heights section of Brooklyn, N.Y., after officers were called about a man waving a weapon at people on the street.
The officers shot the man, who was not immediately identified, just at 4:40 p.m.by the corner of Montgomery Street and Utica Avenue, according to Monahan.
Jaccpot Hinds, 40, said he was walking south on Utica Avenue near the intersection when he saw an unmarked police auto pass him and cross both lanes of traffic near where a man was standing on a street corner.
The police found a man who matched descriptions from the 911 callers and then "the suspect then took a two-handed shooting stance and pointed an object at the approaching officers", The New York Times quoted Monahan as saying. He was taken to NYC Health + Hospitals/Kings County, where he was pronounced dead.
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After the shooting, several gathered near the scene to protest.
Police were investigating, Monahan said, adding that surveillance video obtained from stores nearby showed the man brandishing an object that looked like a firearm.
Wednesday's incident comes after police in Sacramento, California, shot and killed an African American man who they believed was pointing a gun at them, but was actually holding a cellphone.
Check back with amNewYork for more on this developing story.