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San Diego

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A fire caused by faulty electrical wiring caused an estimated $300,000 damage to three Tierrasanta condominiums Friday evening.

San Diego Fire Department spokesman Larry Cook said the fire started in a two-story condominium at 9700 Apple Tree Drive and spread to units at 9741 and 9747 Apple Tree, doing extensive damage to all three structures.

Twenty-five firefighters fought the blaze, which started about 6 p.m.

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