Somerset & Birmingham Bears win to ensure they will end top of their respective groups
Bears beat Notts despite Shaheen Shah Afridi's four wickets in first over of Bears' run chase
Sussex's Ravi Bopara and Derbyshire's Tom Wood score centuries in victories for their sides
Lancashire v Yorkshire abandoned without a ball bowled
Worcestershire v Durham ends in tie on DLS after early end because of rain
Somerset 208-5 v Surrey 168-9 (18 overs)
Matt Henry now for his last over.
Sam Curran takes two first ball.
But then he's gone! 47 from 36.
Surrey down to the bowlers to pull off a miracle.
Gus Atkinson falls second ball and Tom Lawes plays out two dots.
Chris Jordan has got to do this himself.
Notts Outlaws 168 v Birmingham Bears 99-5 (9.4 overs)
Rob Yates goes to 50 off 27 deliveries; the left-handed opener is giving the Bears a real shout here.
Image source, Rex FeaturesRyan Higgins has gone six, four, four off Paul Walter.
And then John Simpson belts back-to-back sixes from Aaron Beard.
Middlesex are walking this at the moment.
143-3 in the 11th.
Asking rate is below nine all of a sudden.
Derbyshire 231-4 v Leicestershire 102-2 (10.2 overs)
Good catch from Derbyshire skipper Leus du Plooy who keeps his eyes firmly fixed on the ball after Rishi Patel sends it skyward.
Is the momentum shifting in the hosts' favour?
Notts Outlaws 168 v Birmingham Bears 95-5 (9 overs)
Image source, Rex FeaturesThey nurdle Steven Mullaney around for seven off the over. The Bears, even after that disastrous start, are nudging ahead here.
Derbyshire 231-4 v Leicestershire 101-1 (10 overs)
Leicestershire averaging 10 an over - but are going to need to up that to 13 to win.
They have the wickets in hand though.
Somerset 208-5 v Surrey 164-7 (17 overs)
Ish Sodhi's final over.
Three singles to start - and then he gets Tom Curran!
Dot and then Chris Jordan clears the fences!
Keeps Surrey going.
Notts Outlaws 168 v Birmingham Bears 88-5 (8 overs)
A good start for the Bears, with Jacob Bethell smashing Matt Carter for six over square leg off the final ball.
And the Bears are now ahead on DLS - a remarkable feat considering they lost four wickets in the first over.
Somerset 208-5 v Surrey 155-6 (16 overs)
Tom Curran strikes his first four and then Sam adds his third six.
Surrey still alive with four to go.
Somerset 208-5 v Surrey 141-6 (15 overs)
Image source, Getty ImagesFive sixes in 11 balls had perked up Surrey's chase.
But they lose Jamie Overton for 30 from 15.
Five to go at Taunton with the Curran brothers out there for the visitors.
Birmingham Bears 75-5 v Notts Outlaws (168 ao) 7 overs
The covers are off at Trent Bridge, the one from over the wicket has been nudged to one side and they are dragging a big rope around the outfield. They are still planning for a full 20 overs at the moment.
The Outlaws are doing some gentle warm-ups just off the outfield, they will restart at 21:10 BST.
Derbyshire 231-4 v Leicestershire 75-1 (7.3 overs)
Breakthrough for Derbyshire.
Wiann Mulder gets it all wrong and Mattie McKiernan hits the middle of his stumps with a delicious bit of spin.
Middlesex have recovered well from a quiet start to post 60-1 in the powerplay chasing 226 at Essex.
Joe Cracknell is 35 from 20.
But their asking rate is edging towards two-a-ball already.
Rain still keeping them off at the Ageas Bowl and Canterbury.
Kent have only faced three overs of their chase so no DLS result possible there yet.
Derbyshire 231-4 v Leicestershire 61-0 (6 overs)
Fair play to Leicestershire - bottom of the North Group and cast adrift, but they are giving this chase a right good go.
Wiann Mulder heaves a huge six off the final ball of the sixth over.
Somerset 208-5 v Surrey 118-5 (13 overs)
Sam Curran and Jamie Overton trying to revive Surrey but it's a huge ask from here.
13 runs an over needed.
Still Tom Curran - remember him batting at three earlier in the tournament? - and Chris Jordan to come.
Derbyshire 231-4 v Leicestershire 38-0 (4 overs)
Image source, Rex FeaturesThose ties and abandonments elsewhere in the North Group have opened the qualification door slightly for Derbyshire, who smashed 231-4 earlier on.
But they need to beat both Leicestershire and the fading light at the Incora Ground.
As a result, they're in a hurry - and that's suiting the visitors, who are capitalising on the sloppiness that comes with haste.
Sean Abbott also falls for Surrey and now they're struggling with half the side gone before halfway.
Over two-a-ball now needed to chase 209 against Somerset.
At Chelmsford, Essex have made a great start with the ball.
Stephen Eskinazi is gone for 9 and Middlesex are 19-1 in the fourth chasing 226.
Lancashire v Yorkshire - no result
The rain has won at Old Trafford. No play possible.
Somerset 205-5 v Surrey 85-4 (9 overs)
A big two-ball blast from Ish Sodhi!
He gets Will Jacks for 50 and then Jamie Smith first ball.
Somerset back on course for victory.
Birmingham Bears 76-5 v Notts Outlaws 168 all out (7 overs)
Rain sweeps across the ground at Trent Bridge and the players are off.
Frustration for the Bears, as Rob Yates had just taken 16 off Imad Wasim's first over. Duckworth-Lewis has Notts just ahead but Yates was getting his side into contention.