Kapp makes superb 150 from 45-4
Kapp's first century for South Africa
Falls to stunning Beaumont catch
Bosch 30, Luus 27
Cross 4-63, debutant Bell 2-47
One-off Test, day one, Taunton
A big lbw appeal by Lauren Bell and England as she thuds one into the pads of number 11 Nonkululeko Mlaba but the ball was straying down the leg side and England wisely opt against the review.
England will face a really tricky period tonight if they get this wicket.
Stephan Shemilt
BBC Sport chief cricket writer at Taunton
That is absolutely magnificent! She's plucked it out of the air like a goalkeeper. It was always going to take something special to get rid of Marizanne Kapp.
All the England players go to shake her hand because that is an incredible innings. Just listen to the applause as she walks off.
Kapp c Beaumont b Bell 150 (SA 276-9)
Tammy Beaumont, take a bow! What a grab!
Lauren Bell goes full and Marizanne Kapp tries to drill it through mid-off and Beaumont flies through the air and takes a stunning two-handed catch out to her right, with both feet off the ground. A sensational grab.
Every single England fielder goes up to Marizanne Kapp and shakes her hand or gives a pat of appreciation before the whole ground rises in applause. A magnificent innings that has rescued her side from 45-4.
Emily Windsor
Southern Vipers batter on BBC Test Match Special
Issy Wong loves bowling the short stuff but with the new ball she needs to pitch it up more to keep the slips in play.
That single left Tumi Sekhukhune with three balls left to face and the number 10 is able to defend and leave the ball alone.
The new ball hasn't created any real chances yet.
Stephan Shemilt
BBC Sport chief cricket writer at Taunton
This is a magnificent Test match innings. Not only has she taken her team out of real trouble but she's put them into the ascendancy.
Magnificent!
Full and wide from Issy Wong and Marizanne Kapp leans on the drive and picks out a single to deep cover.
It has been a phenomenal innings - she's scored 150 of South Africa's 276. It's come up off 212 balls with 26 fours.
Emily Windsor
Southern Vipers batter on BBC Test Match Special
A great call from Anna Harris but that is impressive swing from Lauren Bell. She's creating chances.
Oh!
The height isn't a problem, but with Lauren Bell round the wicket the ball just held it's line and was straying down the leg side.
A decent shout for England, though. They've got one review left now.
It's hit her on the knee roll...
Melissa Story
BBC Test Match Special
It's very full from Lauren Bell. I'll be interested in this.
Massive appeal for lbw by Lauren Bell and England against Tumi Sekhukhune.
They waste little time in sending it upstairs and they clap hands in celebration.
It looks a reasonable shout to be fair.
Emily Windsor
Southern Vipers batter on BBC Test Match Special
That wasn't even that full from Issy Wong but that drive is as good as they come from Marizanne Kapp.
She's seeing it like a football!
Oh, shot.
Marizanne Kapp that is absolutely beautiful.
Issy Wong over-pitches and the all-rounder leans on a straight drive and picks up four more.
She's up to 149.
Melissa Story
BBC Test Match Special
She's holding her own here Lauren Bell. She's aware that Kapp is going to try and go after her but she just needs to keep that fourth stump line.
Kapp 145, Sekhukhune 9
Nice control from Lauren Bell in this over, as she concedes just a single to Marizanne Kapp.
They are aiming to get 100 overs in today by the way - 16 to go. We should get most of them in.
Melissa Story
BBC Test Match Special
Wong is happy to go for runs because she brings that element that a wicket could come from any delivery. England have got that really well balanced with her at one end and Bell at the other.
Four more. The new ball is bringing runs so far.
A rank full toss from Issy Wong is steered nicely through the gully region by Tumi Sekhukhune.
Wong responds with a beauty, with a slower ball deceiving the number 10, who nods in appreciation.
She's doing a good job for South Africa.
Henry Moeran
BBC Test Match Special
If they can scrape their way to 300 that will feel like a really good score for South Africa having been put in.
Kapp 144, Sekhukhune 5
Marizanne Kapp is going to attack the new ball by the looks of it. While the new cherry can bring wickets it can also travel quickly.
Lauren Bell strays onto the pads and Kapp whips a ball through mid-wicket, before a half-volley is whacked to the boundary too.
She's held this innings together brilliantly.