Sam Curran takes 5-26 as Surrey beat Somerset to leapfrog them at top of South Group
Birmingham Bears go top of North Group with 21-run win at Worcestershire
Lyth (90 not out) & Malan (79) ease Yorkshire to eight-wicket win over Leicestershire
Croft hits 101 to set up Lancashire win by 35 runs at Northants
Champions Hampshire slip to narrow six-run loss at Sussex in last-over thriller
Essex recover from 1-2 to chase 176 to win and beat Glamorgan by four wickets
Haider hits last ball for four as Derbyshire earn tie at Durham
Kent beat Middlesex by 13 runs despite 121 not out by Holden
Essex 132-5 (13 overs) v Glamorgan 175-6
Essex have lost both Feroze Khushi (61) and Paul Walter (43) after those two had put on 80 for the fourth wicket.
Matt Critchley and Daniel Sams are now tasked with guiding the home team to victory.
Somerset 164-9 v Surrey 195-9
Matt Henry hits Chris Jordan's final ball of the game for six but the maths are against Somerset now. They need 38 from the final over, so unless Surrey send down a few wides or no-balls, their chase is going to end in only their second defeat of the competition.
Northants 169-9 (20 overs) v Lancashire 204-7
Image source, Getty ImagesLancashire have cruised home in this one.
Steven Croft's brilliant 101 set it up with the bat after they had been 25-3 before Luke Wood's three wickets in the third over turned the screw with the ball.
Lancashire move back into the top four of the North group with this result. Northants remain eighth and their hopes of a knockout spot are fading.
Somerset 152-9 v Surrey 195-9
Matt Henry spoils Sam Curran's figures a little with a six over mid-wicket but the England all-rounder completes his four with figures of 5-26. Magnificent stuff.
Yorkshire 197-2 v Leicestershire 195-5
Fittingly, it is Adam Lyth who hits the winning boundary off Michael Finan as Yorkshire complete their sixth successive North Group win - and do the double over Leicestershire Foxes.
The Vikings made the run-chase look easy as Lyth and Dawid Malan (79) shared a club record T20 opening partnership of 158.
Lyth finishes with 90 not out from 50 balls, with David Wiese on 13, and the Vikings are looking like a good bet for the quarter-finals.
Durham 178 v Derbyshire 178-5
Incredible finish at Chester-le-Street!
Haider Ali needed five runs off Wayne Parnell's final ball to win the game. Parnell spears it on leg-stump and Ali sends it to the deep square leg boundary.
Each team takes one point and will feel like they have thrown victory away!
Somerset 146-9 v Surrey 195-9
Image source, Getty ImagesOh brother.
Sam Curran completes a superb five-for as Craig Overton picks out brother Jamie on the long-on boundary.
Surrey almost home now.
Durham 178 v Derbyshire 171-5 (19.3 overs)
Last over to be bowled by Wayne Parnell.
He starts with a dot. No. He throws at the stumps for no reason and Derbyshire scamper a bonus single.
Nine off five balls.
Single to Haider Ali. Eight off four.
Parnell's third ball - no run. Eight off three.
Sussex 183-6, Hampshire 75-5 (10.2 overs)
Joe Weatherley is out, leg before to Ravi Bopara as his 51-run stand with Liam Dawson comes to an end.
But Dawson looks in decent touch - and their partnerhsip has stopped the rot from that seemingly dire position of 24-4.
Somerset 145-8 v Surrey 195-9
Second wicket of the over for Chris Jordan and Ben Green picks out Sunil Narine at cover and he takes the catch after a bit of unnecessary juggling. Josh Davey is in at 10 but Somerset's hopes may well have gone with Green's downfall. Just three overs left.
Kent 228-2, Middlesex 215-7
Max Holden's magnificent career-best T20 knock of 121 not out from 59 balls is all in vain.
Middlesex have lost again - bravely so, in a game of 443 runs.
But it is still an eighth straight defeat
As for Kent, it is only their second win but keeps the 2021 champions' faint qualification hopes alive going into tomorrow evening's game with Gloucestershire at Bristol.
Durham 178 v Derbyshire 169-5 (19 overs)
Haider Ali and Matt McKiernan each get a boundary off Bas de Leede's penultimate over.
But the Durham bowler's efforts are also hampered by two wides. That is 10 for the innings!
14 off a costly over.
Somerset 143-7 v Surrey 195-9
Perfect yorker by Chris Jordan.
It hits off stump as Roelof van der Merwe tries to hammer it through the covers and Somerset lose their seventh wicket.
Craig Overton is up next.
Yorks 172-2 v Leics 195-5
Another Adam Lyth boundary ends Michael Finan's latest over at Headingley. The opener is 78 not out off 44 and Yorkshire only need a run per ball from here to secure their sixth successive win.
Somerset 143-6 v Surrey 195-9
Ben Green can hit a long ball when he's in the mood and it looks like he is right now.
Two successive Sunil Narine deliveries disappear into the distance over mid-wicket and Green ends the over with a boundary.
Somerset still in the hunt. Another 53 needed off 24 balls.
Kent 228-5, Middx 205-6 (19 overs)
The last ball of Kane Richardson's over brought a swing and a miss from an annoyed Holden, who wanted a wide given.
It wasn't. And now he has lost the strilke for the final over too.
Somerset 127-6 v Surrey 195-9
Only seven from Gus Atkinson's latest over - not enough for the South Group leaders.
Ben Green is four not out and Roelof ven der Merwe has three. This is a very big job for two batters new to the crease.
Essex 99-3 (9.1 overs) v Glamorgan 175-6
Feorze Khushi gets to his half-century off only 29 balls with another boundary.
His partnership with Paul Walter is now worth 64 and is driving Essex towards victory.
The Friday night Chelmsford crowd is loving this!
Durham 178 v Derbyshire 155-5 (18 overs)
Wayne Parnell gets the big wicket of Luis Reece. He falls for 58 and won't see Derbyshire home.
Brooke Guest comes in and gets off the mark with a streaky edged-four.
But he goes for a big shot off the last ball and is caught at deep midwicket by Liam Trevaskis.
Two wickets in the over from Parnell and suddenly Derbyshire need 24 off the last two overs.
Kent 228-3, Middx 194-6 (18 overs)
Only four off that Fred Klaassen over - and a wicket.
36 needed now.
All down to Max Holden as he faces Kane Richardson.
The second of them then goes for six. 28 off 10.