1720 In the other match in this group, Ospreys beat Toulan 29-17.
80 min O'Gara knocks over the conversion. Munster remain in Europe with the Amlin Challenge quarters to come. Not overly convincing it must be said, but when the chips were down, Tony McGahan's men responded in kind.
79 min Munster 2 metres short. They touch it down. TRY.. Daragh Hurley, one of the young guns, gets it down after the TMO had a consultation.
77 min Munster have a scrum on the 22 and a great platform to get that crucial try.
75 min Peter Stringer coming on semms to have sparked Munster into life. Can the home side get a fourth try?
74 min TRY! - Munster respond brilliantly with Keith Earls going over after a brilliant chip through from O'Gara. ROG bangs over a difficult conversion. What a transformation.
72 min Munster tails are up now.
70 min TRY! TRY! Tony Buckley is just tackled on the line, but Niall Ronan, gets the recycle and goes over. O'Gara bangs over the conversion.
68 min Ryan Lamb kicks over the conversion. Thomond Park is stunned. Munster will have to score quickly.
67 min LONDON IRISH TRY - Tagicakibau crashes over after a beautiful grubber kick from Mapusua
66 min Scott Deasy is easily robbed after the Cork Con player tried a dummy. Peter Stringer on for Munster.
64 min London Irish are now getting all the breaks, and are very much in control now.
63 min Tagicakibau breaks clear for L Irish, yet the Munster tackling is very poor. The home side, luckliy, get a put in to the scream.
61 min How can Munster respond? Donncha O'Callaghan is on for Munster.
59 min Dan Bowden's conversion is spot on and the sides are level.
58 min TRY! Tomas O'Leary's casual kick clearance is blocked by Matt Garvey and Mapusua darts towards the line for the try.
54 min L Irish continue to probe and Munster survive another onslaught. They really have been pegged back since they scored.
51 min Accidental offside and Munster have are awarded the put in and O'Gara gets the kick away. Momentum still with the visitors and Tomas O'Leary again is forced into a panic clearance. O'Leary has done well today.
50 min Foreign territory for L Irish as they find themselves in the Munster 22. Damien Varley is penalised for playing the ball in the ground. Munster spoil the line-out, but Munster can't clear and a five-metre scrum is conceded by the home side.
48 min Again a Munster final move comes to nought as Johne Murphy's final pass fails to find O'Gara.
47 min O'Gara adds the extra two. Can Munster kick on and put a decent score up now?
46 min O'Gara opts to kick and Munster crash through and Damien Varley finally gets down. TRY awarded. Munster 5-0 London Irish .
44 min Break from scrum-half O'Leary as Munster continue to probe but the gaps are not there. At the end of the phase, Munster awarded a penalty. Mapusua, the guilty player.
43 min At last the home side get their line-out working and from the play O'Gara's kick fails to find touch.
42 min O'Gara kicks Munster into a threatening position. Varley throw fails to make his man. Munster set pieces fail to gel again.
1631 Second half is on. Tony buckley on for John Hayes.
1626 Munster had a number of plays in which to score at the first half biut the visitors' defence held firm and Mafi's forward pass prevented them from getting a try at the end of the first half.
40 min Munster have to score if they want to go into the break with positive energy. Delayed put in from Tomas O'Leary. We'll try again. Ball goes wide and Mafi feeds Keith Earls who touches down. However, the pass was forward and at half-time we're scoreless at Thomond Park.
39 min Johne Murphy a metre short. Again Varley is over the line, but has he managed to get it down, but L Irish bodies are underneath him.
38 min NO TRY! NO TRY: TMO not convinced. Another scrum to Munster.
37 min 2 metres short again and Damien Varley stretches out over the line. Referee looks for directions upstairs. Varley looks to have touched it down - ball grounded alright. What does the TMO think?
36 min Munster thrust - 4 metres short. 2 metres short. Varley held up over the line vy Mapusua and Munster awarded a penalty and O'Gara goes for the corner.
35 min Munster, it seems can't rely on their scrum and line-out any more.
32 min Munster press and Tomás O'Leary looks to probe the blind side. However, ball is knocked on. L Irish line-out, but Munster win back possession and have a line-out which the visitors steal.
31 min Denis Hurley tries to get Johne Murphy involved after a delightful cross field ball from ROG. At the end of it, Munster get penalty. They have line-out 10 metres out.
28 min Crowd trying to roar Munster on. Damien Varley's throw is not straight and Munster cough up possession yet again. L Irish continue with their aimless kicking.
26 min Bowden has an attempt with a drop goal. Just narrowly misses the posts. Fran Rautenbach back from the bin. Munster have desperate problems in the scrum today. Two teams lacking in confidence today.
25 min Messy sort of a game. No decent continuity.
24 min Keith Earls has missed a few tackles today. A player short of confidence, one would have to admit.
22 min John Jayes is penalised for some hand infringement. Penalty to L Irish. Dan Bowden steps up to the penalty and he makes a complete digs dinner of it. Not accustomed to kicking placed balls is Mr Bowden.
21 min Damien Varley is having a few problems with the contact lenses. Pool 3 latest: OSPREYS 3-14 TOULON
20 min L Irish scrum half Allison makes in roads towards the Munster 22 with the visitors getting more territorial advantage.
18 min L Irish kicking from hand is poor and as I write O'Gara skews one off his right boot. Not what you expect from ROG.
14 min London Irish in the Munster 22 for the first time following good probe from Buckland. Fran Rautenbach is yellow carded for L Irish for an infringemt and Munster clear their lines. L Irish seeking their 2 win in 12 games today.
12 min London Irish go wide and Samoan Tagicakiba's handling lets him down on a pitch that is very sandy.
10 min Play at the half-way line and a chance for L Irish to show what they are like from attacking force. Thumping hit by Denis Hurley on Corbisiero.
8 min David Wallace has been very influential early on in what has been a lively encounter .
6 min Ronan O'Gara has been set back on his back side a couple of times this afternoon.
3.34 Good positive start from Munster at Thomond Park.