Helicopter wreckage
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Investigators examine helicopter wreckage after New York crash

Investigators trying to establish why a privately owned helicopter crashed into a New York river, have begun examining the wreckage.

The Bell 206 aircraft spun out of control after take-off and fell into the East River, killing a woman and critically injuring two other people.

Mark Rosekind, a spokesman for the National Transportation Safety Board, explained how the investigation would proceed.