Metro (WMATA) October 18, 2021 10:43 am Metro Issue Linked to Derailment First Found in 2017 Equipment problems that appear to have caused the Metro derailment in Northern Virginia last week have been known since 2017, a preliminary investigation by federal safety investigators showed. Local 2:50 Poppy Wall of Honor returns to National Mall 0:40 Man presumed drowned after trying to swim across Potomac 2:10 Community remembers man killed at car meetup 2:45 WWII veterans share stories of enlisting young 2:28 Celebrating two decades since the WWII Memorial was dedicated