A wintry mess was bearing down on mid-Atlantic states Tuesday with forecasts of significant snow and ice accumulations prompting warnings of potential power outages.

The FAA had closed two of DCA's three runways so investigators could piece together how the January accident occurred when an Army Black Hawk helicopter crashed into an American Airlines regional jet.

Officials announced Tuesday that the section of the Potomac River that was impacted by the DCA crash has been fully restored.

Crews have finished recovering the wreckage of a plane and helicopter that collided mid-air, killing 67 people.

Six days ahead of schedule, officials on Tuesday announced the section of the Potomac River affected by the deadly collision ...

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