Pictured: The moment one of Justin Bieber's heavies 'clobbered' one of New York's finest

By DAILY MAIL REPORTERCrowds: A melee ensued when Justin Bieber came outside to greet fans during a publicity event in New York These pictures show the dramatic scenes as an undercover NYPD cop was allegedly taken out by one of Justin Bieber's own bodyguards.The undercover policeman was mistaken for a crazed fan trying to attack the teenage superstar in a bizarre melee that resulted in one of