Jamie Heaslip's try proved decisive as Leinster finally ended their RaboDirect PRO12 heart-ache, withstanding a late Ulster onslaught to seal a 24-18 win to lift the trophy.

Brian O'Driscoll will return to the starting line-up for the RaboDirect PRO12 final and the Leinster legend has vowed his side will right the wrongs of seasons past against Ulster on Saturday.

Stuart Hogg's late missed conversion proved costly for Glasgow Warriors as they were cruelly denied a first RaboDirect PRO12 final by a clinical Leinster side at the RDS 17-15.

Ulster romped into their first-ever RaboDirect PRO12 final thanks to a display full of power and poise at Ravenhill, putting the Scarlets to the sword with a 28-17 victory.

Glasgow Warriors head coach Gregor Townsend believes his side have the momentum they need to avenge last year's RaboDirect PRO12 heart-ache and book a place in the final.

Scarlets head coach Simon Easterby believes he has the armoury at his disposal to strike fear into all other sides in the RaboDirect PRO12 - challenging his side to show it against Ulster on Friday.