HUNTSVILLE, Ala. — A customer at an IHOP in Alabama started shooting at employees after becoming angry over a carryout order, wounding a restaurant worker who fired back in self-defense and killed him, police said.

The fatal shooting happened in Huntsville on Wednesday evening.

Killed were IHOP employee Roy Brown, Sr., 56, and customer Roderick Turner, 25, the Huntsville Police Department said.

Turner became "disruptive and loud regarding the service at the business," which led to an argument and physical altercation with an employee, Huntsville Police Lt. Michael Johnson wrote in an emailed statement. Turner pulled out a handgun and started firing at employees, killing Roy Brown and wounding another restaurant employee, Johnson said.

The wounded worker "then pulled a handgun and shot the customer-shooter in self-defense of other," Johnson said.

Both Brown and Turner died at the scene.

Police did not release the name of the worker who killed the gunman, but said the employee is in stable condition at a hospital.

Police said they do not anticipate any arrests will be made, but said the incident will be reviewed by a grand jury.