Don't worry if you seen a lot of police activity at the Riverchase Galleria Thursday night.
The FBI, Hoover police, the Department of Homeland Security and other law enforcement agencies will use the mall as a training ground to practice responding to a terrorist attack in a public venue.
The drill starts at 10 p.m. Police are asking the public to avoid the area during the exercise.
"While this exercise is not in direct response to any incident, it is important for the FBI and our state, local and federal partners to be prepared and to constantly maintain that preparedness," FBI Special Agent in Charge Richard Schwein, Jr. said.
"In a terrorism or active shooter incident, or any other similar situation, we work side by side with our law enforcement partners, and it's important to exercise our joint capabilities," he added.
The agencies are participating in the training drill: FBI Birmingham; Hoover Police Department; U.S. Department of Homeland Security (DHS); United States Attorney's Office for the Northern District of Alabama; Center for Domestic Preparedness; Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF); Hoover Emergency Medical Services; Hoover Fire Department; Riverchase Galleria Mall Security; Riverchase Mall Management; Shelby County Sheriff's Office; Jefferson County Sheriff's Office; Birmingham Police Department; Homewood Police Department.