Munster hang on to beat Ulster 22-20
Who will refuse to take a backward step?
Dave O'Callaghan scores a third Munster try to put them 22-20 ahead. Don't go anywhere.
Ulster are responding to Munster's pressure. Luke Marshall splits the Munster defence to score a try, which Jackson converts.
And the Ospreys are losing to the Scarlets - more good news for Ulster.
Munster wing Keith Earls takes a superb off-load from Francis Saili and turns Ulster's defence inside out to score another try for the home side. But is Keatley's missed conversion a lifeline for Ulster?
Munster 15-13 Ulster
Paddy Jackson's penalty restores Ulster's lead. They're 13-10 up against Munster in Limerick.
Jacob Stockdale is bottled up here before picking a great line and touching down for what seemed like a second Ulster try - but it's disallowed for a forward pass by Luke Marshall
It's half time in Thomond Park
Munster 10-10 Ulster
Experienced Ulster flanker Chris Henry limps off with injury
Ulster are dominating possession so far but Simon Zebo relieves the pressure and goes on the charge for Munster
Rory Best's fourth minute try was cancelled out by Munster's Angus Lloyd, but Paddy Jackson's penalty has the visitors leading 10-7 at Thomond Park
A big day for Ulster's Director of Rugby Les Kiss who is trying to steer the province to a first win over Munster in three years
The atmosphere is starting to build ahead of Munster against Ulster in a vital Pro12 encounter in Limerick
Thomond Park bathed in sunshine before the Pro12 clash between Munster and Ulster