Lenoir City (WVLT) - The Walmart in Lenoir City is back open after a chemical smell forced an evacuation around 5 Monday afternoon.
Firefighters say it was a result from a chemical reaction from the photo processing lab.
Firefighters tell us customers complained of respiratory problems and watery eyes.
About a dozen people were taken to the hospital just as a precaution.
Crews were able to have the store re-opened by 6 p.m.