England lose four wickets for five runs as South Africa claim thrilling win
Morgan (52) smashes 16 in penultimate over before being caught in the deep
Roy hits 22-ball half-century for England - the joint-second fastest ever
South Africa stutter to 177-8 after losing four wickets in last two overs
Jordan takes two wickets in two balls in final over
Bavuma stars at top of the order with 43
England won toss; First of three T20s
South Africa don't have the strongest batting line-up.
But 3, 4, 5, 2, 0*, 1 from England's numbers 5-10 is poor.
And the tourists' fielding was pretty shocking at times earlier, costing them vital runs.
Eoin Morgan will not be happy at all, not least for falling himself before getting his team over the line.
Absolutely tremendous death bowling by Lungi Ngidi, sending down expert off-cutters that England had no answer for.
The tourists looked on course for victory after Eoin Morgan's 19th-over onslaught.
But Ngidi held his nerve superbly.
Rashid run out (Steyn) 1 (Eng 176-9)
Image source, Getty ImagesA superb fightback from the hosts.
And England stuffed it up.
Adil Rashid taps the last into the leg side but not in nearly a big enough gap to pick up two.
Dale Steyn calmly gathers and lobs it in underarm for Quinton de Kock to take off the bails in plenty of time to secure a one-run win.
England need two from the last for a super over.
Three to win.
Adil Rashid is on strike.
Here we go...
Moeen b Ngidi 5 (Eng 175-8)
Moeen misses. Ngidi hits.
Superb death bowling by Lungi Ngidi, capped with this wicket.
Another off-break that does Moeen Ali in the flight and knocks over his off stump.
Image source, ReutersNeed three from two balls
A big inside edge from Moeen Ali.
And very smart running to pick up two.
Moeen Ali skips down and clips it off his pads into the gap to pick up two.
Or is it out?
Lungi Ngidi is going mad asking for lbw and Quinton de Kock sends it upstairs.
Need five from three balls
Moeen Ali misses the off-cutter. Dot ball.
England need five from four balls.
Moeen Ali is on strike.
Chris Jordan joins him in the middle.
Curran c Miller b Ngidi 2 (Eng 173-7)
Tom Curran tries to end it with one blow.
But the wind is blowing in the wrong direction for that shot out to deep mid-wicket.
The ball holds up in the breeze and David Miller snaffles it again.
Image source, ReutersNeed five from five balls
Tom Curran whips it off his toes to deep backward square leg and scurries two. Good running.
England need seven off six.
New man Tom Curran on strike.
Lungi Ngidi to bowl.
What odds on the super over?
Morgan c Bavuma b B Hendricks 52 (Eng 171-6)
Beuran Hendricks has a shred of boot behind the line.
Eoin Morgan tried to tie the scores with a big six but picked out Temba Bavuma at wide long-on instead.
Ben Stokes can't believe that's been called a legal delivery.
England got 16 off the 19th over thanks to Morgan. He'll have wanted to have been there at the end, though.
Eoin Morgan has been caught on the boundary but they're checking the no ball.
This is very, very tight...
Need seven from seven balls
This is genius from Eoin Morgan.
Length, pace and dispatched just over deep cover for six.
That's his 50 up as well - 52 from 33 balls.
Image source, Getty ImagesNeed 13 off eight balls
Oh you beauty.
Eoin Morgan cracks a delicious drive through the covers for four.
Beuran Hendricks didn't miss the yorker by much but Morgan punishes him brilliantly.
Need 17 off nine balls
Poor ball from Beuran Hendricks. Short, leg side and Eoin Morgan swivels it away crisply for four.
England needed that.
Need 21 off 10 balls
Moeen Ali then slaps down the ground for a single.
Top bowling by Beuran Hendricks.
Need 22 off 11 balls
Eoin Morgan taps down the ground for a single.
Tim Peach
BBC Radio 5 Live in East London
This is the best atmosphere so far in this white-ball series. Full crowd, and they're being treated to an exciting finish.
Image source, Getty Images