Broad ends 53-run stand between Bavuma & Rabada
Roland-Jones removes SA top four; two wickets for Anderson
Philander unlikely to bat - hospitalised with sickness
England bowled out for 353 - Stokes 112, Cook 88
Stokes hit three successive sixes as he brings up ton
Geoffrey Boycott
Ex-England batsman on BBC Test Match Special
Pressure the other end from Broad and he is working that from off stump trying to hit it through mid-wicket, not smart. England's 350 is a good score, make enough runs to give your bowlers something to play with. England's bowlers have been pretty good for some time now but the batting has let them down, if you don't make enough runs you're playing catch-up cricket.
De Kock c Stokes b Roland-Jones 17 (SA 47-4)
He's done it again! Geoffrey was right - De Kock goes for the proverbial waft, it takes the edge and is pouched at gully! South Africa have lost their top four batsmen - and remember, they are likely to be a batsman short because of Vernon Philander's illness.
Geoffrey Boycott
Ex-England batsman on BBC Test Match Special
Quinton is used to scoring and if he doesn't get anything he's liable to go after a waft.
Trail by 309
Broad to continue, switching to bowling over the wicket to the southpaw De Kock. Broad looks as though he's not had a comb through his hair for a while. It looks a bit straggly, particularly as there's plenty of wind around today. De Kock remains patient and plays out a maiden over. England looking to build pressure.
Stephan Shemilt
BBC Sport at The Oval
The new honours boards at The Oval and the last time that Hashim Amla batted in a Test on this ground. One wicket in the entire day. On and on and on and on.
Geoffrey Boycott
Ex-England batsman on BBC Test Match Special
It's just that odd ball that's a magic ball but the rest of the time you can bat on this with care and attention. It gets in the batsman's head that they might get a good ball and they play a rash shot.
15 overs
Having a massed slip cordon means you leave areas unprotected - and De Kock helps himself to another four as he guides Roland-Jones through mid-off, before clipping a single to long leg. TRJ has 3-17 from his first five overs in Test cricket - you'd settle for that, wouldn't you?
Here's the Amla wicket, by the way... a beaut of a delivery, worth at least half-a-dozen replays.
Roland-Jones 4.3-2-12-3
So, TRJ to bowl to QDK and FDP. (What a pity ABDV is sitting this series out). De Kock flicks a four off his legs - even Aleem Dar seems unsure as to whether De Kock hit it, asks the batsman, and then signals a four rather than signalling leg byes. Then there's another huge appeal for leg before... but it pitched outside leg with only one review in the bank, they decide against it. De Kock plays and misses, there's a sense around the ground that a wicket could come every ball...
#bbccricket
Ruth Brooksbank: TRJ is now my favourite three letter acronym, what a start!
Rob Meech: This is a quality spell of medium-fast bowling from Toby Roland-Jones - what a debut!
Image source, Getty ImagesDe Kock 6, Du Plessis 0
Captain Faf du Plessis wouldn't have expected to be batting this early - he joins keeper De Kock at the crease as Broad begins a new over, but you wouldn't think that it's a debutant bowling at the other end, doing all the damage as Broad - in his 105th Test - is cut for another four by De Kock. A single brings the skipper on strike - Broad has 0-19 from seven overs.
So, three wickets for Toby Roland-Jones - take a look at the first two:
Kuhn trapped lbw by Roland-Jones
Phil Tufnell
Ex-England spinner on BBC Test Match Special
That is an absolute jaffa, he has come steaming in, it has angled in to Amla, squared him up a bit and swung. It has just taken a feather of the glove. One of those ones that rises and nips away and makes the batsman have a poke. What a delivery, great bowling.
Amla c Bairstow b Roland-Jones 6 (SA 30-3)
Brilliant! An unplayable delivery from Roland-Jones, which bounces, swings late and takes a thin edge from Amla to the keeper - and to his credit, Amla walks off without waiting for the umpire to raise his finger.
Roland-Jones and the slip cordon go up again as De Kock is hit on the pad, but my initial impression was that it pitched outside leg. The Proteas keeper is off the mark with a single, while Amla helps himself to two more through the covers.
Amla 4, De Kock 0
Hashim Amla's long-sleeved sweater flutters in the breeze as Broad begins a new over, but the Proteas right-hander expertly threads a four through the covers. That was a bit too short and wide.
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Roland-Jones 3-2-5-2
Having selected his new piece of willow, De Kock shoulders arms with it as Roland-Jones whistles one past off stump. The last ball is down the leg side, but De Kock leaves it alone, the diving Bairstow takes it and that's a maiden over.
Phil Tufnell
Ex-England spinner on BBC Test Match Special
That's the full length you need to be on a pitch offering something.
Roland-Jones 2.4-1-5-2
It's been a good day for TRJ. 25 off 25 balls including a six off the bat handle, and already both of South Africa's openers back in the hutch.
Left-hander Quinton de Kock is the new batsman, and after blocking his first ball he looks at the toe of it, as though it's broken. He calls for a replacement, and there's a brief delay.