( September 9, 2025, 12:03 PM EDT) -- NEW HAVEN, Conn. — Firefighters and other plaintiffs filed a brief in Connecticut federal court arguing that they have established injury-in-fact, traceability and fraudulent concealment against the 3M Co. and others, so their lawsuit alleging that they have been poisoned by per- and polyfluoroalkyl substances XE "per- and polyfluoroalkyl substances" (PFAS) in protective coating in firefighting gear should not be dismissed. The plaintiffs also filed a brief in support of a motion for jurisdictional discovery....