It understood the current model suffered fire damage.
The trophy presented to the winners of rugby union's Six Nations will be replaced, after the current model suffered fire damage.
It happened during an incident involving the vehicle carrying the silverware during round three of this year's Championship.
It is understood, the fire, reported to have taken place in Ireland, led to no injuries but after assessment by the trophy manufacturer, it concluded that the trophy is unable to be restored to the standard required, and will retire from ceremonial use.
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