Video caption: 'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save
Post update
New Zealand captain Kane Williamson: "It was a strong performance. We know how dangerous they are with match winners in all departments.
It was a 150 surface, so we knew there were some big threats, so we tried to suck things up.
"We would have batted first, it's been a challenge playing at three venues, that's the beauty of the game. We have another strong challenge coming up and a great fielding effort today.
"We knew in the day games you have to set a tone, bring an energy and we saw that which was pleasing.
"England are a strong side, it is important we keep learning, focus on the cricket we want to play. It has been incredibly tough, a lot of tight games and it should be an incredible occasion."
Post update
Afghanistan captain Mohammad Nabi: "It was the plan to put a decent total on the board, we did not start well and after a 50 partnership we did not finish well. We were 30 runs less than what we wanted. 160 would have been a decent total on that pitch.
"Our bowling was strong on this kind of pitch, but without a decent total on the board and the pitch not helping we did our best.
"We played some good cricket, we take a lot of positives and work on it for the future games coming up."
Post update
Williamson is an absolute gent.
He is chatting to three of the Afghanistan players on the boundary rope. I presume about the art of batting and rotating the strike. They could definitely learn from him.
Post update
Kane Williamson says that par would have been around 155 on that wicket. That shows how good New Zealand's bowling and fielding performance was.
Brilliant moments like this saved them runs.
Video content
Video caption: 'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save
Post update
We now know that tomorrow's game against Namibia will be Virat Kohli's last as India's T20 skipper.
He is stepping aside from the captaincy in the format after this World Cup.
I can't imagine this was how he dreamt it would end.
Post update
Player of the match Trent Boult: "It's nice to tick off the performance clinically.
"The boys are in good spirits, there are big games coming up and we look forward to the semi final.
England have been playing some very good cricket, it's an exciting challenge and we look forward to it.
"It's about putting the ball where we speak about in our meetings and being accurate."
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
Pakistan and England look the two strongest teams, for me.
Post update
Can we just take a moment to appreciate how good this New Zealand side are, please?
They are a tiny nation in terms of population in comparison to other cricket nations but they are the Test champions, 50-over runners-up and now into the last four of the T20 World Cup.
They a relentless winning machine. They are full of world-class, humble and hard-working cricketers.
Post update
Aatif Nawaz
BBC Test Match Special
New Zealand may lack some power in their batting but they've been very, very professional in the way they came back from defeat by Pakistan to win four in a row.
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
The class of Williamson and the composure of Conway meant New Zealand did that pretty easily in the end.
Post update
Kane Williamson finished on 40 not out from 42 balls, while Devon Conway was unbeaten on 36 from 32 balls. They won with 11 balls to spare.
After losing their opening game to Pakistan they have bounced back with four successive wins to progress to another semi-final.
Post update
The semi-finals then... we still don't have confirmed fixtures at this stage.
New Zealand are now top of Group 2 with that win on net run-rate.
It is over to Pakistan at 14:00 GMT when they face Scotland. Here are the permutations:
If Pakistan win they will go back to the top of Group 2 and it will be England v New Zealand and Pakistan v Australia in the last four
If Pakistan lose they will remain second in Group 2 and it will be England v Pakistan and New Zealand v Australia in the last four
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
It has been pretty comfortable, a professional performance as we expect with New Zealand.
BreakingNew Zealand win and progress to the semi-finals
There it is!
New Zealand join England, Australia and Pakistan in the semi-finals.
India and Afghanistan are OUT of the World Cup.
NZ 124-2
Need 1 from 12 balls
The scores are level.
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
I think the right four are in the semis. The Aussies are looking good now.
NZ 121-2
Need 4 from 15 balls
A well-run two and a single from the first three balls.
New Zealand are one boundary away.
NZ 118-2
Need 7 from 18 balls
Devon Conway was six from 12 balls at one stage. He is now 34 from 29 balls. He has more than caught up and that shows the value of not throwing your wicket away in T20 cricket.
New Zealand need just seven more to secure a semi-final spot and knock India OUT of the World Cup.
NZ 113-2
Need 12 from 22 balls
I said in the interval that New Zealand will have spoke about one partnership and that would probably be enough for them to win the game.
Kane Williamson and Devon Conway have now put on 56 on the third wicket as the latter pumps a four down the ground.
Live Reporting
Callum Matthews and Tim Oscroft
All times stated are UK
Video caption: 'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save Video caption: 'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save'That's left me speechless' - watch Mitchell's 'unbelievable' boundary save 
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If Pakistan win they will go back to the top of Group 2 and it will be England v New Zealand and Pakistan v Australia in the last four
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If Pakistan lose they will remain second in Group 2 and it will be England v Pakistan and New Zealand v Australia in the last four
Latest PostPost update
Time for us to end this live here.
We'll be back with Pakistan v Scotland at 13:45 GMT where we'll work out the semi-final fixtures.
In the meantime I'll leave you with Matt Henry's report as New Zealand beat Afghanistan to reach the semi-finals and knock out India.
Here's some of the best clips to watch again too.
Video content
Post update
New Zealand captain Kane Williamson: "It was a strong performance. We know how dangerous they are with match winners in all departments. It was a 150 surface, so we knew there were some big threats, so we tried to suck things up.
"We would have batted first, it's been a challenge playing at three venues, that's the beauty of the game. We have another strong challenge coming up and a great fielding effort today.
"We knew in the day games you have to set a tone, bring an energy and we saw that which was pleasing.
"England are a strong side, it is important we keep learning, focus on the cricket we want to play. It has been incredibly tough, a lot of tight games and it should be an incredible occasion."
Post update
Afghanistan captain Mohammad Nabi: "It was the plan to put a decent total on the board, we did not start well and after a 50 partnership we did not finish well. We were 30 runs less than what we wanted. 160 would have been a decent total on that pitch.
"Our bowling was strong on this kind of pitch, but without a decent total on the board and the pitch not helping we did our best.
"We played some good cricket, we take a lot of positives and work on it for the future games coming up."
Post update
Williamson is an absolute gent.
He is chatting to three of the Afghanistan players on the boundary rope. I presume about the art of batting and rotating the strike. They could definitely learn from him.
Post update
Kane Williamson says that par would have been around 155 on that wicket. That shows how good New Zealand's bowling and fielding performance was.
Brilliant moments like this saved them runs.
Video content
Post update
We now know that tomorrow's game against Namibia will be Virat Kohli's last as India's T20 skipper.
He is stepping aside from the captaincy in the format after this World Cup.
I can't imagine this was how he dreamt it would end.
Post update
Player of the match Trent Boult: "It's nice to tick off the performance clinically.
"The boys are in good spirits, there are big games coming up and we look forward to the semi final. England have been playing some very good cricket, it's an exciting challenge and we look forward to it.
"It's about putting the ball where we speak about in our meetings and being accurate."
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
Pakistan and England look the two strongest teams, for me.
Post update
Can we just take a moment to appreciate how good this New Zealand side are, please?
They are a tiny nation in terms of population in comparison to other cricket nations but they are the Test champions, 50-over runners-up and now into the last four of the T20 World Cup.
They a relentless winning machine. They are full of world-class, humble and hard-working cricketers.
Post update
Aatif Nawaz
BBC Test Match Special
New Zealand may lack some power in their batting but they've been very, very professional in the way they came back from defeat by Pakistan to win four in a row.
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
The class of Williamson and the composure of Conway meant New Zealand did that pretty easily in the end.
Post update
Kane Williamson finished on 40 not out from 42 balls, while Devon Conway was unbeaten on 36 from 32 balls. They won with 11 balls to spare.
After losing their opening game to Pakistan they have bounced back with four successive wins to progress to another semi-final.
Post update
The semi-finals then... we still don't have confirmed fixtures at this stage.
New Zealand are now top of Group 2 with that win on net run-rate.
It is over to Pakistan at 14:00 GMT when they face Scotland. Here are the permutations:
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
It has been pretty comfortable, a professional performance as we expect with New Zealand.
BreakingNew Zealand win and progress to the semi-finals
There it is!
New Zealand join England, Australia and Pakistan in the semi-finals.
India and Afghanistan are OUT of the World Cup.
NZ 124-2
Need 1 from 12 balls
The scores are level.
Post update
Phil Tufnell
Former England spinner on BBC Test Match Special
I think the right four are in the semis. The Aussies are looking good now.
NZ 121-2
Need 4 from 15 balls
A well-run two and a single from the first three balls.
New Zealand are one boundary away.
NZ 118-2
Need 7 from 18 balls
Devon Conway was six from 12 balls at one stage. He is now 34 from 29 balls. He has more than caught up and that shows the value of not throwing your wicket away in T20 cricket.
New Zealand need just seven more to secure a semi-final spot and knock India OUT of the World Cup.
NZ 113-2
Need 12 from 22 balls
I said in the interval that New Zealand will have spoke about one partnership and that would probably be enough for them to win the game.
Kane Williamson and Devon Conway have now put on 56 on the third wicket as the latter pumps a four down the ground.
A match-winning stand.