Johnny Sexton watches on from the stands at the Aviva.

How much would he love to be out there with his Leinster team mates!!!

It was the Leinster supporters in the Aviva Stadium who were celebrating at the end of the first half.

Image source, Inpho

There is still no Ben Healy for Munster as the second half gets underway.

That Jason Jenkins try - the only one so far - sees Leinster go in 10-6 up at the end of a proper battle in Dublin.

Munster have had the majority of the play, but you know this Leinster team have such quality in their ranks.

Already can't wait for the second half.

... and the aswer is yes!

Just a few moments to play until the break.

Will we get another score before half time?

Leinster have looked more threatening in the last few minutes than they have for a while.

A deliberate knock on by Luke McGrath leads to a Munster penalty, which Jack Crawley kicks into the corner.

Their maul again looked to be working well but again the Leinster defence ripped the ball away just a yard from the line.

Munster keep knocking on the door but Leinster keep holding them off.

Rory Scannell has come on temporarily as Ben Healy is forced off the pitch with a bleed.

The Munster maul looked like it was working well but Leinster turned it over thanks to good work from Max Deegan.

That was a big chance for the team in red.

Luke McGrath with a tackle off the ball leads to a Munster penalty.

They've decided to go for it and kick for touch. That was a huge call.

Will it pay off?

Can Leinster respond to falling behind? Their pack are in a huddle.

This has been a proper battle in Dublin.

Big hits coming in all over the place. Whoever wins this one will have earned it.

Ben Healy makes it two successful kicks from two as he finds the target with his penalty.

Munster take a 6-3 lead.

Good passage of play from Munster earns them a penalty after a tackle off the ball.

Looks like they are going to go for goal.

What a shame that is.

Ryan Baird may never score a better try than that but it has just been disallowed after a video check for a knock-on by Tommy O'Brien.

O'Brien actually knocked the ball behind him but he was facing the wrong way which meant it was a knock-on.

Ah well. It was still fun to watch the big second row sprint like that.

Both sides exchange some long-distancing kicking as the pace of the game drops for the first time since kick-off.

Very little between the teams as we edge towards the 20-minute mark.

That was a chance for Leinster but Dave Kearney opted to cut inside when the ball came to him on the left wing, and he got closed down.

Keith Earls knows how to tackle and he has put a big hit in there on Max Deegan that gets the Munster crowd on their feet.