(March 27, 2018, 1:22 PM EDT) -- FORT MYERS, Fla. — A group of Florida residents on March 23 filed a putative class action against the city of Fort Myers in Florida federal court, contending that it is liable for the contamination of local groundwater with arsenic (Deretha Miller, et al. v. Fort Myers, et al., No. 18-195, M.D. Fla.)....