DETROIT - The bankrupt City of Detroit on May 20 filed a brief in the U.S. Bankruptcy Court for the Eastern District of Michigan objecting to a $26 million claim against it filed by the Macomb County public works commissioner related to a claim from an underlying lawsuit in which the commissioner contends that the city breached its contract with the public works department (In Re: City of Detroit, No. 13-53046, Chapter 9, E.D. Mich. Bkcy.).