Power restored to nearly 1300 in Potomac

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      UPDATE 11:06 a.m.:{ }Power is back on at Churchill High School, according to a Twitter report.{ }

      UPDATE 10:55 a.m.: Pepco says power has been fully restored in the area. It's still unclear what caused the explosion or if one even occurred.{ }But there was a report of a tree falling onto a power line causing a "click out," which may have caused a small explosion, officials say.

      ORIGINAL: An explosion in Potomac has left nearly 1,300 Pepco customers without power, an{ }official says.

      The blast occurred shortly before 9 a.m. Tuesday. The location{ }of the explosion{ }is not{ }available at this time.

      Pepco officials say 1,280 customers are without power as a result.

      Utility{ }and fire crews are assisting.