Metro was alerted by a passing train there was light smoke coming from the tunnel between Foggy Bottom and Rosslyn Metro Station around 6:30 p.m.

Foggy Bottom Metro station service resumed Friday morning after a report of smoke from a light fixture caused single tracking and delays.Smoke from a light fixture with debris on it caused the ...

The smoke was reported to be on the inbound track, about 800 yards from the Foggy Bottom station, according to Arlington Fire. Metro said it appeared to be an insulator issue.