Coast Guard and local agencies continue response to unknown substance in Anacostia River

BALTIMORE — An overflight by a U.S. Park Police aircrew and a District Department of the Environment official along the Anacostia River in Washington, D.C., located an unknown substance in the river, Wednesday. Members from the Coast Guard, the DDOE, the Maryland Department of the Environment, the Environmental Protection Agency, the District of Columbia Fire Department and the U.S. Park Service...