( April 15, 2026, 3:18 PM EDT) -- ST. LOUIS — A federal judge in Missouri has remanded to state court an injury lawsuit against 3M Co. for exposure to per- and polyfluoroalkyl substances (PFAS) in protective gear worn by firefighters, ruling that in light of the plaintiffs’ disclaimer of any potential claims arising out of exposure to the firefighting agent known as aqueous film forming foam (AFFF), federal jurisdiction is lacking....