The IRFU have confirmed this morning that Sean O'Brien has signed a new deal with them to stay at Leinster.
The union say they will announce more details latter but it comes as a boost to Leinster and Ireland fans who were resigned to losing the Tullow man to Toulon.
O'Brien has played 87 times for Leinster scoring 15 tries.
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Jamie Heaslip remains subject pf speculation , the number 8 has also been linked with Toulon and has yet to confirm if he's staying or going.
