Victory by 35 runs leaves New Zealand top of Group 1 on seven points
Both England and Australia can join them on that tally, and net run-rate will decide who goes through, but Kiwis are well placed
Ireland eliminated after defeat
Josh Little takes hat-trick - removing Kane Williamson, Jimmy Neesham & Mitchell Santner
Williamson makes impressive 61 from 35 balls
Ireland won the toss & decided to field
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Here is how the Group 1 table looks. It would take an extraordinary set of results for New Zealand to miss out on a semi-final spot now given their net run-rate.
Australia can boost their chances - and put pressure on England - with a victory over Afghanistan next.
Sri Lanka also have a chance but need Afghanistan to beat Australia and then a win over England tomorrow.
Image source, BBC Sport/Getty ImagesNew Zealand captain Kane Williamson: "A really good team performance which was required. We knew what the Ireland team are capable of and they have played some amazing cricket and for us it was about focussing on our skill set and I think we played well today."
"Just holding in the surface a little bit and I think the openers did a really good job and then had wickets in hand to build partnership and adjusted nicely to the conditions.
"We were trying to take our options and work with your partners at the other end. If one of us is going and the other is going to be positive and adjust. When you're new to the crease you just make sure you're in the right spot when they come in.
"We were just trying to bowl slower and adjust our end beautifully and pulled the game back."
Ireland captain Andrew Balbirnie: "We were playing a top class team and you have to be on it for the whole game. We had a good start with the bat and couldn't really capitalise on that. When you're playing a top team, you have to capitalise on starts like that.
"I thought we bowled pretty well but our fielding has been a bit off all tournament. We've dropped a few catches that we'll look back on but we've had a pretty good tournament all round and I think the guys can be very proud of their efforts.
"The trend in this tournament has been that you don't have to go too hard in the powerplay, you can catch up. Me and Paul managed to do that but neither of us could kick on and get a big score to win the game.
"I think we've got to be happy. At the start of the tournament we looked like we were going home early but we beat Scotland and got on a bit of a roll. We're playing better than we were 12 months ago but to get to where these teams are, we've got to go again."
On Josh Little hat-trick: "He's been amazing the whole tour and all our seamers, and spinners, are starting to show their class. Hopefully that continues"
Player of the match, New Zealand captain Kane Williamson: "The ball held in the surface a little bit. The guys at the top of the order were brilliant to navigate that new ball and we were able to build partnerships throughout.
"We got to a very competitive total at the half way stage and the guys with the ball adjusted nicely, we knew the spin would really come into the game and they bowled beautifully well."
On his batting: "Similar in that we were able to build partnerships and it was nice to make a contribution. It was nice that we were able to get a bit of momentum and time a few balls as well, which is always nice.
"A good team effort really, that Ireland team has been playing beautifully, they've got a really well rounded side and it was a good match and good to get the win."
Ireland started off well, reaching 68-0, but they struggled against New Zealand's spinners, with Mitchell Santner and Ish Sodhi taking two wickets apiece, including Ireland's top four.
Lockie Ferguson then cleared up the middle order, ending with 3-22, which all but ended Ireland's resistance.
Josh Little smashes the ball into the off-side for a single to bring up the Ireland 150, but it is a convincing 35-run win by New Zealand.
The Black Caps are all but certain of a place in the semi-finals.
Ha, the next ball Josh Little tries a ramp but ends up on his backside.
Steady, Josh.
Daniel Norcross
BBC Test Match Special
Little thumped a ball over deep mid-wicket. Ireland aren't having a good day but he is.
They're making the losing margin look respectable here.
Josh Little is having quite the game, even if it is in a losing cause.
Ireland's hat-trick hero has just heaved his second ball from Tim Southee away for six.
Adair c Phillips b Southee 4 (Ire 141-9)
Mark Adair had to go for the big hit but all he can do is pick out Glenn Phillips, who scampers back a few steps before taking a routine catch at long-on.
This has been a very professional job from New Zealand as Trent Boult steams in to bowl the 19th over.
Barry McCarthy and Mark Adair struggle to find the middle of the bat but some quick running brings eight from the over.
Just the 45 needed from the final six balls.
Daniel Norcross
BBC Test Match Special
The dream is nearly over for Ireland. New Zealand are sailing into the semi finals.
They've deserved it with their magnificent win against Australia and have a better run rate than the other teams.
Dockrell c Williamson b Ferguson 23 (Ire 132-8)
The end is nigh.
George Dockrell is the latest batter to go as he looks to hammer the ball through cover again but it comes off the bottom edge and loops straight to Kane Williamson who takes a routine catch.
Hand c&b Ferguson 5 (Ire 131-7)
In the air.....and out.
That's a decent catch from Lockie Ferguson off his own bowling. Fionn Hand has top-edged that miles into the sky but Ferguson watched it all the way and safely into the hands.
That's a good shot as well! George Dockrell steps back to give himself some room and clatters the ball through cover for four.
Daniel Norcross
BBC Test Match Special
Something of a modern day miracle needed for Ireland to win this game.
That's another useful shot from Fionn Hand has he hammers the ball over mid-off for four.
It wasn't the best ball Lockie Ferguson has ever bowled, but it was enough to take the wicket of Gareth Delany.
Carl Hooper
Former West Indies all-rounder on BBC Test Match Special
Campher didn't get enough on that and now New Zealand are putting the finishing touches on their performance here.