Downers Grove police are investigating an armed robbery that took place Friday on 75th Street.

About 8:01 p.m., Downers Grove police responded to the 1600 block of 75th Street for a report of an armed robbery.

An investigation indicates that two men were robbed by a male offender who pointed a firearm at them. The offender stole cash and two cell phones, police said.

The victims described the offender as about 6 feet tall with a muscular build. He was wearing a black hooded sweater, black pants and a ski mask. He had shoulder-length dreads with yellow/gold highlights, authorities said.

The offender left on foot traveling southbound across 75th Street.

Police continue to investigate. Anyone with information about the robbery is asked to contact 630-434-5600.