Ireland World Cup hopeful Felix Jones has been ruled out of the tournament in New Zealand after damaging a foot ligament in Saturday's warm-up against France.
Jones fell awkwardly in the 22-26 loss and must keep the foot immobile for six weeks.
The 24-year-old fullback was playing in only his third international appearance after he debuted against Scotland this month but had a chance of making Ireland's 30-man World Cup squad.
Ireland manager Paul McNaughton said Sunday that Jones "certainly put himself into contention over pre-season and the games in the last three weeks."
Jones may also need surgery after further checkups.
Ireland plays their first World Cup match against the United States on September 11.
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