Johnny Sexton and Conor Murray have both took a whack in the first half an hour of the game, but are still out there for Ireland.

A scrum wheels around and when it's reset CJ Stander runs into trouble. Ireland kick it more up than away and Keith Earls then does well to find some yards - before prop Tadhg Furlong shells a routine pass. 

Jonathan Davies
Former Wales fly-half on BBC One

This is good for Wales. 

If Johnny Sexton is doing all the tackling, he'll be getting tired for Ireland.

Rhys Webb has had a run in with the on-pitch advertising at some stage, his red kit is now streaked with blue from ankle to shoulder blade. The Welsh scrum half is busy though, ticking play between the forwards as the hosts patiently probe. He then offers up a forward pass and that's the end of that drive. 

Here's the moment George North went bulldozing over for the game's first try...

Conor Murray is carrying on. The magic sponge has done its work. 

It's a Welsh scrum in a good position. 

Paul O'Connell
Former Ireland captain on BBC One

This is something we see a lot more from Conor Murray since Andy Farrell has taken over with Ireland.

Murray in the defensive line and he's very good at it. He reads the ball and is a good chop tackler.

Conor Murray tackled George North, who then fell on top of him. I wouldn't wish that on many people and the scrum half looks in real pain.

The ice pack is on. It's maybe not as serious as it first appeared. 

Slow ball for Wales as the forwards go to work, Alun Wyn Jones toppled like a gnarled old tree. George North pops up on the left but he's taken out early and low, Conor Murray left in a pained heap for Ireland. 

Jonathan Davies
Former Wales fly-half on BBC One

Image source, Reuters

Wales have got to try and give an earlier pass or an inside ball to cut out Johnny Sexton.

He's suffocating the Welsh attack.

Wales throw two interceptions in the space of 20 seconds. Johnny Sexton gathers one in and then Keith Earls tips one away. 

Ireland are all over Wales in midfield. 

Paul O'Connell
Former Ireland captain on BBC One

6-1 to Ireland on the penalty count.

I think Wales are playing very, very well but it's hard to compete when you give yourself a hill like that.

Paddy Jackson nailed that penalty and then immediately comes off as Johnny Sexton returns to the fray after his HIA (Head Impact Assessment).

Image source, AFP

Paddy Jackson drills through his 14th successful kick in a row to put Ireland back ahead. 

Devin Toner, all 6ft 10in of him, catches the line-out with ease and sets it up, CJ Stander piles through and that's another penalty.

This time they go for three.

George North has scored nine tries in his last nine Six Nations matches for Wales. Form/class/temporary/permanent.

Ireland now have a big drive on and it ends with a penalty for collapsing the maul. They go for the corner again...

Blair Thomason:  That take by Halfpenny was unbelievable! 

Ralph Brooker:  Fantastic try from the line-out. And I don't get the Webb criticism. He was Excellent against Scotland.

Jonathan Marshall:  Beautiful try! George North you BEAUTY! :)

The home crowd are up now, roaring the men in red on. Were Ireland caught cold from that Johnny Sexton injury? They didn't seem set, but all credit to the Wales finish.

Jonathan Davies
Former Wales fly-half on BBC One

This is what you want to see! Great support play and passing. 

Brilliant vision. 

The support runners have lacked in past games and what a finish by George North.

Image source, Reuters

Paul O'Connell
Former Ireland captain on BBC One

This was the worry for Ireland. World class Welsh players being criticised all week. 

They were always going to respond.