Terminal 2 at Fort Lauderdale-Hollywood International airport is back in business after passengers and employees were forced to evacuate.

Hundreds of people were on the sidewalk outside the terminal after TSA agents were exposed to an aerosol from a passenger’s bag.

A total of four TSA agents were being treated for respiratory problems after being exposed to the aerosol.

Hazardous Materials teams were on the scene and trying to ascertain what type aerosol was sprayed.