Bicycle-riding bandit knocks out, pick-pockets man in Brooklyn
A bicycle-riding bandit sucker-punched a man, knocking him out, before robbing the victim blind on a Brooklyn street, police said Friday. The shocking attack happened just past 10:30 a.m. Sunday near Metropolitan Avenue and Manhattan Avenue in Williamsburg. The assailant rode a Citi Bike up to his 26-year-old victim and…