(April 18, 2017, 1:27 PM EDT) -- DETROIT — A group of Flint, Mich., residents on April 13 sued state and city officials in Michigan federal court, contending that they are liable for lead contamination in the city’s drinking water for their respective roles in making the decision to use the Flint River as the water supply for the city without first ensuring that the pipes were protected against corrosion (Kimberly Gaddy, et al. v. City of Flint, et al., No. 17-11166, E.D. Mich.)....