UPDATE, 10:52 pm: Officials say the Shelter-in-Place has been lifted for residents living within one mile of the DuPont Louisville plant in Rubbertown. A tank filled with 400,000 gallons of hydrochloric acid is still leaking, but officials have determined there is no risk to the public or plant workers.The Environmental Protection Agency, Metropolitan Sewer District, the health and fire departments are on sight working with DuPont to help contain the chemical.Officials say the situation is stable.UPDATE, 8:18 pm: Officials say a Shelter-in-Place (see below) remains in effect as a precautionary measure for people living within one-mile radius of the DuPont Louisville plant.A 500,000 gallon tank of hydrochloric acid began leaking around 5:57 pm tonight, officials say. The tank had 400,000 gallons of hydrochloric acid in it and is still leaking.Plant employees are working to suppress the leak and say they don't believe anyone inside or outside the plant has been exposed. A "Shelter-in-Place" will remain in effect until further notice. This means anyone within a one mile radius of the leak should close doors and windows and turn off air conditioning as precaution.Original post below:A shelter-in-place has been issued for people living within a one mile radius of DuPont's Louisville plant.A hydrochloric acid leak was reported at the plant around 5:47 this evening. At 5:55, a level 2 hazmat was declared, according to MetroSafe spokeswoman Jody Duncan.There are no reported injuries, but the shelter-in-place remains in effect. This story will be updated.