Injured Peter O'Mahony flies back to Cork, Sean O'Brien cited

Ireland will lose Peter O'Mahony from their World Cup campaign to serious injury, while Sean O'Brien could miss the quarter-final with Argentina over disciplinary wrangles.

Peter O'Mahony is out of Ireland's World Cup campaign due to a serious injury, while Sean O'Brien could miss the quarter-final with Argentina over disciplinary wrangles.

The staggering collateral damage from Sunday's superlative 24-9 victory over France could see as many as three fresh faces join Ireland's World Cup squad as injury replacements.