SPRINGFIELD, Va. (WUSA9) -- A magnifying glass sitting in direct sunlight ignited an office chair, starting a fire at a home in Fairfax County at 9 a.m. on Friday. On Nov. 20, firefighters responded ...

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Fire chiefs have warned people not to leave magnifying mirrors on windowsills. A house in Poole, Dorset, caught fire after the sun reflected off a mirror and set a curtain and a blind alight on ...