4 accused of robbing teen at gunpoint on Barbey Street in Cypress Hills

Four men are accused of robbing a teen at gunpoint in Brooklyn.
It happened on May 25 near Barbey Street and Arlington Avenue in Cypress Hills around 9:40 p.m.
Police say the men, all between the ages of 16 and 19 years old, approached a 16-year-old boy, pushed him up against a fence and flashed a gun.
They say the suspects demanded the teen hand over his cellphone. 
Authorities say the men stole the victim's cellphone then took off. 
Anyone with information is asked to call Crime Stoppers at 1800-577-TIPS.