MARINA DEL REY (CBSLA.com) — Power was restored to a majority of Southern California Edison customers in Marina del Rey and part of Venice who were without power Thursday morning.

The outage, which was reported just after 8:20 a.m., affected a total 4,228 customers, SCE spokesman Paul Klein said.

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By 2 p.m., power had been restored to approximately 3,600 customers, according to authorities.

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SCE officials originally estimated power would be restored to the area around noon.

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It was unclear what caused the outage.