( November 26, 2025, 8:43 AM EST) -- CHARLESTON, S.C. — The city of Brooklyn Center, Minn., and 10 other municipalities in the state have sued the makers of the firefighting agent known as aqueous film forming foam (AFFF) in South Carolina federal court, arguing that the manufacturers of AFFF are liable for groundwater contamination from per- and polyfluoroalkyl substances (PFAS), which are active ingredients in AFFF. The cities contend that the defendants knew that PFAS are toxic and yet sold them anyway....