A woman was critically injured in a single-car crash in the District on Tuesday night, D.C. police said.

       The woman was unconscious and not breathing when taken to a hospital after the crash in the 3600 block of Southern Avenue SE, said Officer Sean Hickman, a police spokesman. The crash happened about 8:20 p.m., he said.

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       Three others suffered injuries that did not appear life-threatening, he said.

       The cause of the crash could not be immediately determined.

       The vehicle apparently struck a tree, the D.C. fire department tweeted.