Update 8:11 a.m. Both tracks reopened shortly after 8 a.m. when the third rail problem was resolved. Metro is warning riders to expect residual delays while service returns to its normal frequency.
Original story: It's likely a rough commute for riders of Metro's Red line this morning, as a third rail problem at Medical Center is causing trains to single-track between Grosvenor-Strathmore and Medical Center. WMATA is telling riders to expect delays of 10-20 minutes in both directions.
Some Red line trains will stop at Friendship Heights and return to Silver Spring/Glenmont, according to the transit agency.
Metro is encouraging riders to to consider using buses as an alternative. Crew are out working on the third rail issue, according to WMATA.