Washington DC is shutting down the entire subway system on Wednesday with no notice for urgent safety checks The entire Washington, DC, subway system will shut down for at least 29 hours to inspect electrical components on the tracks following a fire near one of the system's tunnels, officials said on Tuesday. The shutdown comes after a fire broke out on Monday about 4.30am in the tunnel outside the McPherson Square station in downtown Washington. The fire led to delays on the orange, blue and silver lines, which go through the station. The Metro subway system will shut down at...