BAY RIDGE, Brooklyn (WABC) -- A rally in support of the NYPD turned violent when counter-protesters showed up in Brooklyn.
Video of the confrontation in Bay Ridge on Saturday shows a person throwing a helmet into a crowd of people gathered for a 'Blue Lives Matter' rally.
The helmet struck a police officer in the head. He was treated for minor injuries.
Police arrested Robert Bolden for the assault after officers used a taser to subdue the suspect.
Bolden is being treated at a local hospital. Charges are pending.
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