Updated post at 7 a.m.
Metro said normal service has resumed on the Yellow Line.
Original post at 6:52 a.m.
Riders should expect delays Tuesday morning on Metro’s Yellow Line to Mount Vernon Square station because of an earlier train malfunction at Huntington station.
An alert about the delay went out at 5:36 a.m. and was still active at 6:50 a.m.
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