Propeller linked to deaths

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A clue has emerged in the hunt to find what is causing horrific corkscrew injuries to dozens of seals whose bodies have been washed up along Britain's east coast this northern summer.

The results of autopsies have revealed the most likely cause of death to be a ducted propeller (which is non-rotating) from a ship.

More than 50 animals have been killed since the phenomenon was first observed.