Don't worry when you see lots of red and yellow lights at the Empire Mall Sunday night.

Emergency crews in the Sioux Falls area are hosting a mock disaster drill at the Empire Mall parking lot.

The mall in South Dakota's largest city will begin the yearly safety drill at 7:30 p.m., offering a realistic portrayal of an emergency situation,

Participants will have the opportunity to rehearse emergency protocols and procedures in case of a real crisis situation.