Tom O'Toole's evening is over.

Alex Nankivell is attempting a poach for Munster at a ruck and O'Toole comes in with a clumsy challenge from the side and lands awkwardly on Nankivell's leg.

Some surprise in the ground that it is a straight red, but red it is.

Ulster once more conceding a penalty from a period of possession.

This time Mike Lowry shows good feet but Rob Herring is pinged on the ground and Munster kick again into the Ulster 22.

Jonathan Bradley
BBC Sport NI Journalist at Kingspan Stadium

This certainly looks like a case of both sides coming in short of confidence.

Plenty of penalties and a few line-out errors from Munster. Ulster, meanwhile, have had plenty of ball but are struggling to take advantage when they get down into the opposition 22.

James McNabney guilty of being off his feet at the breakdown and Munster kick to the edge of Ulster's 22.

Zac Ward hasnt't been able to shake off that ankle injury and is off replaced by Rory Telfer, Mike Lowry goes from full-back to the wing.

Play stops as Zac Ward receives treatment for an ankle injury.

Ward celebrating this week after signing a three-year deal with the province after spending several months on loan after impressing in the Olympic sevens event for Ireland in the summer.

Thankfully the winger is back on his feet after some strapping to his left foot.

Munster kick clear after ex-Ulster player Billy Burns delivers some much needed water form the touchline for the Munster men.

Super defence by Munster.

Ulster doing alot of first-man carries that weren't really effective, and eventually the visitors win a penalty after an Ulster forward is guilty of a croc roll.

Ulster trucking lots of carries, now just five metres from the Munster line.

Munster obstructing an Ulster runner under the high ball and it is a penalty to the hosts on the munster 10-metre line.

Morgan kicks into the 22.

It's been a real frenetic start in Belfast. Both sides attacking at 100mph but on too many occasions the sides are guilty of unenforced errors.

Ulster's Stuart McCloskey caught entering a ruck from the side and it is another kick into the corner from Jack Crowley.

However the Reds make another mess of the lineout and it is scrum Ulster.

Munster win the penalty against the head and kick towards the Ulster corner.

However, they then concede in the line-out maul and Ulster get a chance to clear away.

Munster offside from kick-off, a crime rarely punished nowadays but referee Ben Whitehouse is penalising it tonight.

It is a scrum on halfway for the home side.

Frantic stuff.

Another penalty for Ulster in front of the posts and Ulster lok set to tap again, can Munster hang on?

Ulster inches away from scoring after a number of phases, but they run out of ideas.

Luckily the referee was playing advantage and it is a tap and go.

Munster again not releasing after the tackle and Ulster kick into the corner when the three points were on offer.

Will the risk pay off?

Ulster win a penalty on halfway.

Marcus Rea forces the penalty with an excellent turonver attempt.

Morgan kicks close to the Munster 22.

Good carry from the "Bangor bulldozer" Stuart McCloskey through the middle of the park, but he is held up by Munster and it is the first scrum of the night for the visitors.

It is an evenly matched one, and Jack Crowley kicks into touch inside the Ulster half.