NEWBURGH, N.Y. (AP) — A New York lawmaker and a police detective were participating in a homeless count when they heard loud popping noises that turned out to be a fatal shooting.

Democratic Orange County Legislator Kevindaryan Lujan tells the Times Herald-Record that Det. James Cerone was on his police radio within seconds of hearing the sound late Friday in Newburgh.

Jermaine Cooper died at a hospital early Saturday. Four people were arrested after a police chase that ended in Poughkeepsie.

Lujan, who was about a block away when the shooting erupted, says Newburgh officers converged within minutes.

The department's Shot Spotter equipment indicated nine rounds were fired.

Witnesses described the vehicle and police used street cameras to quickly identify it.

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Information from: The Times Herald-Record, http://www.th-record.com