Two armed robbers entered Chipotle, 641 S. State St., shortly before the restaurant closed Nov. 14, forced employees to the ground and demanded money.
The robbery took place just before 10 p.m. as seven employees prepared to close the restaurant, according to Westerville police reports.
The robbers entered through the restaurant's front door, with at least one of them waving a revolver, police said.
Employees behind the counter were ordered to the floor and complied. One robber stood watch over them, while the second robber proceeded to the restaurant's offices, ordering more employees to the floor and a manager to open a safe.
Employees complied with all of the robbers' demands, said Westerville Police Lt. Tracey Myers said, and the robbers exited through a side door.
Myers said police are unsure how much cash was taken.
Both robbers wore bandannas over their faces.
One was described a black man, dressed in a black hooded sweatshirt and black pants, Myers said.
Witnesses provided conflicting descriptions of the other robber, some describing the suspect as male and another as female, Myers said. The robber was dressed in black or dark blue pants with three white stripes down the leg and a black hooded sweatshirt.
Following the robbery, Westerville police searched the area with the help of a Columbus police helicopter and a Delaware County K9 unit, but no the robbers were not located.
Surveillance from a nearby store did show a suspicious vehicle in the area shortly after the robbery, but police did not release a description of that vehicle.
The investigation is ongoing, Myers said.