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SAN DIEGO — More than 2,000 people in the South Bay were without power Friday night.

The outage, reported at 7:48 p.m., was affecting 2,020 customers in Nestor, San Ysidro, Otay Mesa and Imperial Beach, according to San Diego Gas & Electric’s online outage map.

By 10 p.m., 444 customers were without power. Power was estimated to be restored by 7 a.m.

The cause of outage was not yet known.

Check the utility’s outage map here.