The underground Metro Red/Purple Line Station at the Union Station complex in the downtown Los Angeles area was evacuated Tuesday while firefighters investigated a report of a "loud sound or sounds" on an inbound train.
Firefighters sent to the station in the 800 block of North Vignes Street about 8:25 a.m., found no evidence of smoke or fire aboard the train, which was determined to have had a mechanical problem.
Union Station, Metrolink and Amtrak service were not directly affected by the investigation, though there was "a significant increase in patrons safely awaiting subway service to resume," Los Angeles Fire Department spokesman Brian Humphrey said about 9 a.m.
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Metro announced delays of up to 20 minutes during the closure, during which trains shared one track between Union Station and Westlake. The station was reopened after about 90 minutes.