Updated at 10:14 a.m.

Metro said power has been restored at the U Street stop.

Dan Stessel, a Metro spokesman, said a circuit breaker tripped at the station.

Original post at 9 a.m.

Things were a bit dark at the U Street Metro stop Thursday morning.

A Metro spokesman said there is a power problem at the U Street stop and that crews are on the way. It is not affecting rail service and the station is open, Metro said.