URC: Edinburgh, Munster, Dragons & Ospreys in action - follow live
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Horn try, Smith con
That will change the half-time team talks.
Lions batter away at the line and after numerous charges, Francke Horn goes under the posts for his second score.
Chris Williams Smith adds the simple conversion and this one is back in the balance.
Image source, Huw Evans Picture AgencyWill see in the second half how much the conditions have impacted things here.
Munster were playing into the wind but Dragons will definitely feel that their first-half superiority deserved more than a six-point lead at the break.
Image source, Huw Evans Picture AgencyMorse try, Edwards con
Try number three!
Talk about a timely return. Dewi Lake comes back for an attacking lineout and finds Morgan Morse - who also returned after being sacrificed for 10 minutes while his skipper was sin-binned - and he touches down from the drive.
So far tonight Morse has come on as an early replacement, gone off for 10 minutes, come back on, and then scored.
Dan Edwards does the honours and Ospreys are in control.
Image source, Huw Evans Picture AgencyA good first-half showing from Edinburgh as the home side take a 12-point advantage into the break.
Duhan ver der Merwe, Pierre Schoeman and D'arcy Rae have all crossed for the hosts, while Marcell Coetzee's try is all the Bulls have to show for a fairly underwhelming 40 minutes from them.
Ospreys 12-5 Lions
Don't get stuck with the second row pairing of Rhys Davies and Ryan Smith at the bar tonight.
The locks combine out wide (yes, you read that right) before linking with Keelan Giles.
He again bursts forward before the scrambling Lions are pinged for offside. Furthermore, it's yellow for the offender, prop SJ Kotze.
Kleyn (con Butler)
It's taken until there were 90 seconds left of the first half but Munster are on the board.
They were hammering away at the line and, despite some dogged defence, Springbok lock Jean Kleyn is driven over the line.
Munster will feel happy enough to only be going in six behind at the turn.
Ospreys 7-5 Lions
Cennydd Davies
Commentator on S4C
Dewi Lake should know that if you keep the arm down in a tackle, it'll be a yellow.
If you go for a tackle like that, and you don't move down, you're going to hit heads.
Munster 0-13 Dragons
Back for the penalty and back to the corner, Munster go again.
Dragons do well to stop the maul but the hosts are still in possession.
Hopkins try
Playing with 14 men or not, Ospreys extend their lead.
The ball goes loose in midfield but Keelan Giles is on hand to rescue matters, and from broken play sears through a gap before linking with Daniel Kasende.
The DR Congo speedster is just caught by the cover defence but after several phases of pressure, Kieran Hardy throws a long miss-pass where Iestyn Hopkins is waiting to score by the corner flag.
The conversion blows off-target but that's a big Ospreys score.
Image source, Huw Evans Picture AgencyMunster 0-13 Dragons
Munster are down the other end and playing with an advantage.
Could be a big swing of momentum if they can get over here...
Munster 0-13 Dragons
Chris Horsman
Former Wales prop on BBC Radio Wales
It was a close call, after the strip of the ball the Dragons did everything right. Angus O'Brien put the gas on and he slides over. Such a shame.
They can't be deflated by that, it's been a near perfect first half.
Rae try, Thompson con
D'arcy Rae blasts over from close range under the sticks for Edinburgh's third try of the evening.
Ospreys 7-5 Lions
James Ratti is having a blinder here, again breaking tackles and putting his side on the front foot.
Number nine Kieran Hardy is then clearly impeded off the ball and it's another Ospreys penalty. Dan Edwards sets up the attacking platform and in the meantime, we learn Dewi Lake's yellow card will remain just that.
Phew.
Munster 0-13 Dragons
Dragons think they are in again and it would have been no less than they deserve...but after a review there was a knee on the ground prior to the strip of the ball.
A big let off for Munster.
O'Brien
Tony Butler has Aaron Wainwright and Levi Douglas powering towards him in quick succession...not a position any 10 wants to be in, to be fair.
After the latter, he's caught on the wrong side and O'Brien adds the three.
Ospreys 7-5 Lions
Replays show clear 'shoulder to head' contact from Dewi Lake on Asenathi Ntlabakanye.
He's off for a nervy 10 minutes at least. In the meantime, it's a bunker review.
Ospreys 7-5 Lions
Cennydd Davies
Commentator on S4C
It's the best I’ve seen the Ospreys so far, they were strong and quick. Morgan Morse has done well and they just get over.
Ospreys 7-5 Lions
Now we're cooking in Ospreylia.
The home side work the ball from one flank to the other, and James Ratti is hovering wide on the right where he surges up to the 22.
The officials aren't happy with something though. Play is stopped and we have a TMO check on an earlier tackle by Dewi Lake.
Munster 0-10 Dragons
That sums up Munster's start really.
Free-kick at the scrum, they try to go quickly but number eight Brian Gleeson forgets the most important thing...the ball.
Ratti try, Edwards con
This time the lineout drive does work and James Ratti touches down!
The flanker takes the ball in the air, and although the initial shunt comes up inches short - he's soon on hand to barge his way over.
Edwards nails the extras and now, Ospreys lead.
