A Black Lives Matter march through Midtown Manhattan turned violent Friday night, with 11 protesters arrested.<br />The NYPD reported that two officers suffered minor injuries during the protest, which was attended by about 100 marchers; officials could not immediately say how the cops were hurt.<br />At least some of those arrested were accused of attacking Daily News photographer Sam Costanza at the intersection of Sixth Avenue and 54th Street in the mistaken belief that he was a cop.<br />The photog was surrounded and struck after one of the marchers recognized him from a BLM protest outside the NYPD’s 6th Precinct house in Greenwich Village last year.<br />The agitated protester began yelling, “He’s a cop,” inciting many of his fellow marchers.<br />About a dozen people surrounded the photog, shoving him and beating him with their fists and other objects.<br />The NYPD confirmed the attack, telling The Post “a member of the media” was assaulted, and police made a number of arrests.<br />The photographer, who suffered a bloody nose, was not seriously injured and declined medical attention.
