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Peter O'Mahony has been ruled out of Ireland's World Cup campaign with a knee ligament injury.
Captain Paul O'Connell spent Sunday night in hospital with a "significant hamstring injury", but will undergo scans on Monday before the end of his tournament is officially confirmed.
Team manager Mick Kearney revealed the huge double blow as Ireland continued to count the cost of Sunday's fine 24-9 victory over France that secured a quarter-final against Argentina.
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