Highlights on BBC Two at 23:15 BST
Root & Morgan hit unbeaten half-centuries to steer England to victory
Five wickets for Sam Curran (three with new ball) & four for Willey
Dhananjaya's 91 off as many balls rescues Sri Lanka
Sri Lanka fall to 21-4 inside first seven overs
England won toss; second of three ODIs, The Oval
England lead three-match series 2-0
Andy Zaltzman
Test Match Special statistician
England's opening bowlers have nine wickets for 101 which is the most taken by left-arm bowlers in an ODI. Previously there had been no more than five. It's also the most by England's openers in a ODI.
The hat-trick ball is clothed to long on for a single.
Willey has four balls to take his fifth wicket.
Fernando c Rashid b Willey 17 (SL 229-9)
Top-edged to fine leg!
David Willey has four wickets, and is on a hat-trick!
David Willey will bowl the the final over...
James Anderson
England bowler on BBC Test Match Special
England's bowling unit are good at sharing ideas. The more you talk, the more you pick things up from other bowlers which might help your own game. If things aren't going well bowling can be lonely business.
Sam Curran finishes with figures of 5-48 from his 10 overs. They are career-best figures.
You can watch the first three below. What a superb performance.
Just two singles from the remaining five balls of the over.
Two overs to go, 240-250 is within reach.
Sam Curran is using up all the Curran brothers' luck.
Tom Curran has to watch on as Binura Fernardo slices over backward point for another boundary.
He's up to 13.
Matthew Henry
BBC Sport at the The Oval
People are bowing to Sam Curran as he returns to his fielding position.
Image source, PA MediaAndy Zaltzman
Test Match Special statistician
That was Sam Curran's first five-for in all formats for England and his first in List A/ODI cricket.
Image source, PA MediaSam Curran shares gleeful embraces with Joe Root and Sam Billings when the over comes to an end.
He gets a nice applause from The Oval crowd too.
He's cementing himself in this white-ball team.
James Anderson
England bowler on BBC Test Match Special
That was really well bowled. It was nice to see Sam Curran's reaction on his home ground as well. He bowled beautifully with the new ball and come back well. He's holding the ball up, acknowledging the crowd and deserves the applause.
Karunaratne c Bairstow b S Curran 21 (SL 217-8)
Sam Curran has five!
It's the bouncer again! He's not quick at all, but his bouncer is causing people problems on the international stage. Chamika Karunaratne tries to pull away, but a top edge goes through to Jonny Bairstow.
Curran wheels off with his arms in the air in celebration, he absolutely loves it. This is his home ground.
Four more!
Slightly fortunate this time though, as a slower ball deceives Binura Fernando, but an inside edge evades the stumps and rolls away for four more.
Four overs left. Can they get up to 250?
Hello!
Binura Fernando is off the mark with four over cover. Lovely shot.
#bbccricket
Dan Cullen-Shute: With every pint, I get closer to offering David Willey a mini pork pie.
Image source, Dan Cullen-ShuteTom Curran is into the attack.
Binura Fernando is the new batter. He was part of some comical running in the first ODI.
The next five overs could be fun.
James Anderson
England bowler on BBC Test Match Special
That's not what Sri Lanka needed. Shanaka was their hope to get to the 250 mark but he's chosen the wrong shot. It was sloppy. Sri Lanka's problem in this limited-over series as whole is they have played the wrong shot at the wrong time.
Shanaka c S Curran b Willey 47 (SL 206-7)
A third for David Willey!
Dasun Shanaka has played nicely, but as has often been the case for him, and his team-mates in this series, he's got a start and then got out.
It's short and wide from Willey, but Shanaka cuts it straight to Sam Curran at deep point.
Sri Lanka have learnt their lesson about taking on Sam Billings and his arm at mid-wicket.
In the first ODI he did this...
Just a few days after doing this...
They are not taking him on anymore.