England win by 7 wkts in three days
Unassailable 2-0 lead in four-Test series
South Africa 83 all out in 33.1 overs
Broad 6-17, including 5-1 in 31 balls
England chase 74 to win: Cook 43
Michael Vaughan
Ex-England captain on BBC Test Match Special
Image source, Getty Images"England are going to be chasing something like 70-odd unless a miracle happens. This has been a remarkable day's play."
Jonathan Agnew
BBC Test Match Special
"Straight, straightens, hits just below the knee roll."
Viljoen lbw b Anderson 6 (SA 77-9)
Image source, Getty ImagesYes, the procession continues. Viljoen almost totally immobile at the crease, like a giant filing cabinet, those legs don't move as he plays and misses across the line. The DRS reveals the ball was hitting middle halfway up. An ignominious review.
Now then! Has Jimmy joined the party? Full and straight, hits Big Hardus on the pads, umpire's finger goes up. Hardus wants another look...
Broad, unsurprisingly, takes the ball after lunch. Hardus Viljoen - a man who frequently appears in the same sentence as the word Broad - is the rather imposing obstacle at the striker's end. He pushes the last ball and rather surprisingly South Africa opt to take the single which keeps Viljoen on strike.
Right, here we go again. England two wickets and an easy run-chase away from winning match and series. Surely nothing can go wrong from here? Can it?
Thank you Stephan. As I was leaving BBC Sport towers to grab some lunch, the radio was playing 'Hang On In There Baby'. If only South Africa had taken Johnny Bristol's advice...
James Gheerbrant has sprinted back to the chair next to me. He's here to talk you through the evening session and what is likely to be a three-day win for England.
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Geoffrey Boycott
Ex-England batsman on BBC Test Match Special
"Hasn't it been a wonderful Test match? Competitive, cut and thrust..."
Also, if (and when) England win this match, South Africa will lose their place at the top of the world rankings, regardless of what happens in the fourth Test. India will be the new world number ones.
England, by the way, have not won a Test series away from home since 2012. That will almost certainly be righted tonight.
Jonathan Agnew
BBC Test Match Special
"An extraordinary and entirely unpredicted afternoon."
Geoffrey Boycott
Ex-England batsman on BBC Test Match Special
"Broad bowled with wonderful pace, rhythm, accuracy; he cut the ball, made it bounce - and he fully deserved it. One or two of those balls might have got anybody out."
Broad leads England off, applauded by his team-mates. They'd probably follow him over the top, or into the Red Sea.
There's tea, the end of the second-most extraordinary session of Test cricket you will ever see (Australia lost 10 wickets before lunch at Trent Bridge, remember).
South Africa began at 16-0. They will have a brew at 71-8. I say have a brew, because all the cups are likely to be smashed. Stuart Broad took 5-1 to rip the heart out of the home batting. England should have the series won tonight.
#bbccricket
Guy Miller: Domo arigato, Mr Rabada.