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RESTON, Va. (WUSA9) -- According to theNorthern Virginia Fire Buffs, firefighters received a call for a fireat a high-rise building in the11800 block of Sunset Hills Road.

Chuck Penn, the Norther Virginia spokesperson for Dominion Power, says that a major transformer blew at about 8:11 a.m.

It also impacted an adjoining transformer, knocking out power to about 726 customers.

Currently 298 customers remain without power and Penn said it will be well into the evening before their power is restored.

The Northern Virginia Fire Buffs reports that EMS is evaluating one person for possible burns.