SA need Test record 466 to win
Root 58, Sibley 44, Curran 35
Debutant Hendricks 5-64
Injured Philander bowls only 1.3 overs
South Africa 183 - deficit of 217
England do not enforce follow-on
Wood 5-46, Woakes 2-38, Stokes 2-47
De Kock 76, Pretorius 37
Fourth Test, day three, Johannesburg
England lead 2-1 in four-Test series
That's us done for today. Thanks, as always, for joining us.
Here's Stephan's report from the day.
England are closing in on a 3-1 series victory away from home.
Will we see any fight from South Africa? Or will the tourist manage to wrap it up with a day to spare?
Join us tomorrow and find out.
Steven Finn
England bowler on The Cricket Social
Coming into today, you thought could De Kock and Pretorius hang around long enough to frustrate England? The rest of the lower order fell away meakly.
With the bat, it was important that England didn't lose early wickets. Even though they have lost wickets, the day has been all England's.
England bowler Mark Wood, who took 5-46, on Sky Sports: "I'm over the moon - a very special day.
"I wish I'd changed my run-up sooner. Since I've done that it's been a lot better. I've got a little bit more momentum; it's take pressure off my body. It's been nice to take a load off.
"I put seven times my weight through my front foot. I'm wrapped up like a mummy under my sock here. It's not the ideal action, but it's something I've learned to live with."
On playing back-to-back Test matches: "I pulled up a bit sore from the last game. I'm delighted that they made that decision and kept me in the team."
Let's hear from Mark Wood who, as always, looks at home with a mic in his hand ...
Jonathan Agnew
BBC cricket correspondent in Johannesburg
It has been a good winter for Root. To come through all that madness of the first Test to be in a situation where they will win this series 3-1, with a pretty young turn, is a very good effort indeed. You feel that this is a team that is playing as a unit together. They understand each other.
There may not have been a century from the England batting order but the number of wickets we have seen fall today, albeit with tourists approaching this afternoon rather aggressively, has shown that the batsmen haven't had it all that easy on this pitch.
England have put together been some very important partnerships when needed.
Andy Zaltzman
Test Match Special statistician on The Cricket Social
Hendricks is the 24th South African to take five wickets in an innings on Test debut.
Michael Carberry
Former England batsman on The Cricket Social
It has been a good Test match. England have dominated. Being hyper-critical, they would have liked someone to get three figures. Joe Root's tactics have been spot on. Mark Wood has been brilliant to watch.
Jonathan Agnew
BBC cricket correspondent in Johannesburg
South Africa won't do it. I don't think this game will go beyond tomorrow.
South Africa need 466 to win
Dean Elgar and Pieter Malan will come in tomorrow morning chasing a Test record 466 to win. They have two days. But nothing at all so far in this match has suggested that they could pull off what would be somewhat of a miracle.
Steven Finn
England bowler on The Cricket Social
Phenomenal catch.
Root c Du Plessis b Hendricks 58 (Eng 248 all out)
What. A. Catch. One of the best you'll ever see. Joe Root slices towards gully and Faf du Plessis, diving to his right, both feet off the ground, takes an astonishing one-handed catch. He was flying.
Hendricks picks up a five-wicket-haul and can thank his captain.
And with that, is the end of the England innings, the end of the day.
Image source, Getty ImagesMichael Carberry
Former England batsman on The Cricket Social
This is happy hour now. England can really put the foot down without having to bowl tonight.
Andy Zaltzman
Test Match Special statistician on The Cricket Social
That is only Root's fifth six in the last 5,000 balls he has faced in Test cricket.
Eng lead by 465
Jeez! Joe Root has middled Pretorius into cow corner for a six. England can have some fun in the next seven minutes.
Adam Mountford
BBC Test Match Special in Johannesburg
I’m not sure how confident the South Africa TV commentators are about their team getting something out of this game. Those currently off air are sitting in the makeshift green room situated behind us and have turned off the cricket and are instead watching the Tranmere v Manchester United FA Cup tie. Former South Africa captain Shaun Pollock is a big United fan and seems to be enjoying the score at Prenton Park more than the Wanderers.
Jonathan Agnew
BBC cricket correspondent in Johannesburg
Wood shot across outside his off stump. I'm not going to knock him, but I'm not sure where that was ever going to go.
Wood b Pretorius 18 (Eng 240-9)
Mark Wood walks a foot or so over to his right and is bowled behind his legs, the ball hitting the taking out the off stump.
Pretorius has his second wicket of the innings, Wood came and did what he has to do.
Stuart Broad is the last man in.
#bbccricket
Mike Swanson: Mark Wood to open at T20 World Cup.
Eng 239-8 (Lead by 457 runs)
I wonder if you already had these cricketers in paintings in your locker, or you're frantically looking through album after album trying to spot one. Either way, keep 'em coming.
Mark Wood clears the front leg and punishes Hendricks through mid-wicket. One bounce, four.
A Root four through covers, followed by a dab and run single brings up Root's fifty. From 89 balls. Slow and steady.
The England captain has three minutes to declare tonight. Doesn't look like it's going to happen.