(May 16, 2023, 12:14 PM EDT) -- WILMINGTON, Del. — Fire protection services company Kidde-Fenwal Inc. (KFI) has filed for Chapter 11 protection in Delaware federal bankruptcy court, citing potential direct liability exposure in litigation pertaining to the firefighting agent aqueous film forming foam (AFFF), which contains per- and polyfluoroalkyl substances (PFAS), which it says has resulted in more than $6 million in litigation-related expenses already in 2023....