( December 9, 2025, 11:34 AM EST) -- NEW ORLEANS — The Fifth Circuit U.S. Court of Appeals remanded an insured’s suit seeking coverage under an environmental site pollution liability insurance policy for the settlement of an underlying personal injury suit stemming from carbon monoxide exposure after determining that it is unclear if federal jurisdiction exists because the insured references a nondiverse defendant in numerous filings despite the parties’ representations that the nondiverse defendant was dismissed or terminated from the suit....