Smoke incidents cause delays at DC Metro stations over weekend

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Four smoke incidents were reported at D.C. Metro stations over the weekend.

On Sunday night at around 6:30 p.m., the driver of a passing train at the Foggy Bottom station reported seeing smoke on the third rail in the tunnel. Metro says it believes it was the arcing of an insulator. Fire crews did show up to the scene, but there was no actual fire.

Earlier on Sunday an incident occurred at the L'Enfant Plaza station, the scene of a deadly smoke incident back in January. Officials say Sunday's smoke incident was related to a mechanical issue due to bad brakes on a train.

On Saturday, passengers on a red line train had to be evacuated at the Woodley Park stop. Metro says a the train suffered mechanical issues and was taken out of service

On Monday morning, an incident at the Bethesda station caused minor delays. Investigators say nothing was found after an investigation.