Power outage leaves parts of SFO dark, causes ground stop

Parts of San Francisco International Airport went dark Wednesday morning due to a power outage, which also caused a temporary ground stop, according to airport officials.

SFO said the outage was affecting Terminals 1 and 3 and the International Terminal.

Crews were on site working to restore power, the airport said, but an estimated time of restoration was not provided.

No other details were immediately available.