Tiernan O'Halloran's hopes of making his Six Nations debut appear to be over for this year after Connacht confirmed that he will be sidelined for 'a number of weeks' with a hamstring injury.

O’Halloran had been left out of the Ireland squad for the opening two rounds of fixtures against France and Italy, but would have harboured hope that he could have been drafted in for the remaining games.

Connacht have confirmed that he suffered a hamstring injury in their 26-15 win over Ospreys at the weekend.

The province are confident however that O’Halloran’s will be fit for his their Challenge Cup quarter-final clash at home to Gloucester.

A statement from Connacht confirmed: "The injury is actually much more minor and there is no concern about his long term fitness and availability for our quarter-final on 31st of March."

There’s better news elsewhere for head coach Kieran Keane however as his side expect to have Denis Buckley back in training in the near future as he continues to recover from ankle surgery.

Eoin McKeon is also expected back soon as he shakes off a calf injury, while Jarrad Butler and Niyi Adeolokun have both returned to full training, having recovered from a hand and hamstring injury respectively.