Postpublished at 10:44 GMT 2 November 2021
Ravi Bopara
Former England all-rounder on BBC Test Match Special
It's an excellently-executed short ball. He's taken Mahmudullah by surprise, it was well directed and got him in a really awkward position.
Bangladesh eliminated with loss, South Africa now in good position to reach final four
South Africa fall to 33-3 in low run-chase - two wickets for Taskin
Rabada rips through Bangladesh top order with three wickets
Bangladesh never recover; struggling against SA pace bowlers (Nortje 3-8)
Ffion Wynne and Callum Matthews
Ravi Bopara
Former England all-rounder on BBC Test Match Special
It's an excellently-executed short ball. He's taken Mahmudullah by surprise, it was well directed and got him in a really awkward position.
Aatif Nawaz
BBC Test Match Special
Again he's been surprised by the amount of bounce.
Mahmudullah c Markram b Nortje 3 (Ban 34-4)
Gone!
The replays show it just grazed the glove before whacking into Mahmudullah's shoulder and going to backward point.
It is probably fair enough that he took a review there, but Bangladesh are in all sorts of trouble.
Ravi Bopara
Former England all-rounder on BBC Test Match Special
It has hit his shoulder but probably came off the glove first.
Anrich Nortje has had Mahmudullah caught at backward point.
Or at least I and the umpire thought he was.
The Bangladesh captain sends it upstairs.
Here's how Kagiso Rabada picked up the wickets of Mohammad Naim and Soumya Sarkar in successive balls.
Alex Hartley
England spinner on BBC Test Match Special
It's very rare we see the ball still swinging this late in a T20.
Bangladesh are stuck. Just three singles come from Dwaine Pretorius' first over.
What is going to be their gameplan from here? We saw Jos Buttler and Eoin Morgan build a platform and then attack beautifully on Monday. Bangladesh need similar from Liton Das and Mahmudullah here.
A change of plan from South Africa.
Anrich Nortje was set to bowl but Temba Bavuma has called for Dwaine Pretorius instead.
He's only tended to bowl two or three overs right at the end of the innings so far. He's got six wickets doing it too.
Apart from this terrible piece of fielding South Africa have been outstanding.
Aatif Nawaz
BBC Test Match Special
That must've been the longest second of Mahmudullah's life!
These are really encouraging signs for Rabada. He's pushing 90mph and getting pace and swing.
Almost another! Kagiso Rabada is bowling beautifully here. He bangs one in short to Mahmudullah and it is beautifully directed and the Bangladesh captain can only shovel it up in the air.
It feels like it is up there for an eternity but Rabada can't quite there in time and the ball lands practically on the popping crease line.
Rabada has 3-14. He's been brilliant.
Alex Hartley
England spinner on BBC Test Match Special
In the 12 balls before and including that wicket there was just four runs scored - and three wickets taken.
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Alex Hartley
England spinner on BBC Test Match Special
You can see him re-enacting the catch in the team huddle, that's when you know it's good!
Mushfiqur c Hendricks b Rabada 0 (Ban 24-3)
Magnificent!
It is a really thick edge from Mushfiqur Rahim and it flies towards Reeza Hendricks, who is stood where a second slip would be.
He tries to take the catch above his head but the ball pops out. As it starts to drop he plonks his right hand out and the ball sticks. Great reactions.
Rabada has three. South Africa have three. The Proteas are on top.
Aatif Nawaz
BBC Test Match Special
A terrific catch at slip, that was flying. Proper pace and bounce from Rabada.
What a grab! I think... and so do the umpires.
Mushfiqur Rahim has edged Kagiso Rabada to a second slip, but he is hanging around to check it has been taken cleanly.
Alex Hartley
England spinner on BBC Test Match Special
Those two wickets have really set Bangladesh back. South Africa's bowling is just relentless too, there's no weak link. Tabraiz Shamsi hasn't even bowled yet.
OH! ALMOST!
A good delivery from Kagiso Rabada hits the shoulder of Mushfiqur Rahim's bat but it loops a couple of yards in front of backward point.