Arlington police are investigating an armed robbery that happened at Bek's Nizza Pizza.
Investigators said three men entered the restaurant, located in the 900 block of west Lamar Blvd., at about 10 p.m. Monday night, wearing hoodies and holding guns.
The men robbed the restaurant's register and got away with $600 cash.
Bek, who owns the business, says he believes the robbers were teenagers and one of them may have been in the store before. "We haven't slept — nobody. You aren't ready for that," he said.
No one inside the restaurant was hurt.
Police said the investigation is ongoing.