Men use fire extinguisher in Gaithersburg restaurant robbery

This story was updated on Jan. 26.Montgomery County police are investigating an armed robbery at a Gaithersburg restaurant Thursday evening.

Shortly after 8 p.m., police responded to a call about a robbery at El Meson restaurant at 615 S. Frederick Ave. in Gaithersburg. Witnesses said two men opened the front door of the restaurant and discharged a fire extinguisher inside the restaurant, according to a news release from the Montgomery County Police Department. Police have released video of the robbery.Because of the fire extinguisher, police are investigating the incident as an armed robbery, said police Captain Paul Starks. “They threatened the employees with and used the fire extinguisher,” Starks said.