A window washer fell six floors onto a roof Thursday evening and suffered critical injuries, D.C. fire officials said.

The incident happened about 7:15 p.m. in the 1800 block of 7th Street NW, in the Shaw neighborhood, fire officials said.

The man fell from the ninth floor to the third floor roof of an adjacent building, said Tim Wilson, a spokesman. The man was taken to a hospital with potentially life-threatening injuries.

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