BROOKLYN - Police are intensifying their search for a group of people who allegedly beat up a customer during a riot that spilled into a local Rite Aid Monday night.

According to investigators, a mob stormed into the Church Avenue store following a vigil for slain 16-year-old Kimani Gray. They say protesters damaged property, stole items, and assaulted and robbed 51-year-old man.

Only one arrest has been made in connection with the uproar. Cops say 19-year-old Kaven Menard, of Brownsville, has been charged with robbery.