Miami security guard shot at Metrorail station taken off life support

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Authorities say a Miami security guard who was shot at a Metrorail station has died.

Miami-Dade police say Keith Cox was shot earlier this week. A witness reported seeing a male in a dark colored vehicle leave the scene.

Cox had been hospitalized in critical condition but authorities in Florida said Saturday that Cox has been removed from life support. No other details of the investigation were released.

Anyone with information about the crime is urged to contact CrimeStoppers at (305)471-TIPS (8477) or (866) 471-8477 or visit