Eight matches across both T20 Blast groups
England's Archer dismisses Finch & Pope on return for Sussex
South Group: Sussex-Surrey ends in thrilling tie
South Group: Middlesex, Hampshire & Kent all win
North Group: Wins for Durham, Lancs, Northants & Notts
Wright 48, Archer 1
The biggest cheer of the night comes as Jofra Archer gets off the mark with a single.
Sussex will need plenty more from their World Cup hero though as Imran Tahir finishes his spell with figures of 1-21.
Four overs to go.
Khan c Jacks b Tahir 1 (Sussex 105-6 v Surrey)
Oh dear.
That's a poor shot. Rashid Khan scoops a short one from Imran Tahir straight to Will Jacks at mid-wicket.
It brings Jofra Archer to the crease...
Wright 45, Khan 1
Five overs to go. Something has to give. 140 or 150 might not be enough on this pitch.
Sussex 103-5 v Surrey
Jade Dernbach has done his back in here.
The Surrey seamer pulls up halfway through the over and is coming off. Ryan Patel will finish it.
Image source, Getty ImagesTake a bow Toby Roland-Jones!
He has also taken a hat-trick for Middlesex against Glamorgan to end their innings in 136.
Marchant de Lange, Dan Douthwaite and Andrew Salter were his three scalps at the end of the last over.
It also sees him finish with a five-for, which is his career best in T20 with 5-21.
Let's bring you up to speed with a couple of stand-out stories from those first innings completed.
Leicestershire's effort came to an abrupt end against Durham because Matthew Potts bagged himself a hat-trick to bowl them out for 158!
Meanwhile at Taunton, Babar Azam came close to scoring an unbeaten century but had to settle for 95 off 61 balls in Somerset's 172-3 against Hampshire.
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Here's what it looks like after the first innings in our matches that started at 18:30 BST....
North Group:
Old Trafford: Worcestershire Rapids 130-9 v Lancashire Lightning
Leicester: Leicestershire Foxes 158 v Durham
Northampton: Northamptonshire Steelbacks 155-6 v Birmingham Bears
South Group:
Cardiff: Glamorgan 136 v Middlesex
Taunton: Somerset 172-3 v Hampshire
Brown c Finch b Clark 10 (Sussex 101-5 v Surrey)
Sussex just can't get the ball away.
Ben Brown tries to smack Jordan Clark over long-on but picks out Aaron Finch who holds on to his second catch of the evening.
Rashid Khan is in at seven for the Sharks.
Wright 41, Brown 9
That's a better over for Sussex.
Luke Wright finally finds the rope with a reverse sweep off Gareth Batty. It's the first boundary since the Powerplay. That shows how much Surrey have been on top since then.
Nine off Batty's fourth as the spinner finishes with 3-20.
Image source, PA MediaA timely half-century as well for Notts Outlaws' opener Alex Hales against Derbyshire Falcons.
It's come off 34 balls with four fours and two sixes to take his side on 107-1 in the 12th over.
Wright 35, Brown 5
What will Sussex be happy with now then? 150?
It's another tidy over from Imran Tahir, five from it and more importantly - no boundaries.
Northamptonshire Steelbacks fighting their way to a decent score against Birmingham Bears.
Rob Keogh has a half-century off 42 balls that has included five fours and a six.
Northants 143-5 with seven balls of their innings to go.
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Wright 34, Brown 2
Ben Brown is the new man in for Sussex. This has been some collapse. They've lost three wickets for 21 in the past five overs.
Wiese c Pope b Batty 3 (Sussex 80-4 v Surrey)
Gareth Batty again!
The 41-year-old spinner is running through Sussex. David Wiese nicks him behind and goes cheaply. Batty has 3-8.
Sussex 78-3 v Surrey
Image source, Getty ImagesSussex captain Luke Wright is surely the key man now if his side are going to get a competitive total.
The 34-year-old is up to 32 off 26 balls as they reach the halfway stage of the innings.
Wright 30, Wiese 1
Another fine over for Surrey.
Four from it and the wicket of Delray Rawlins. Gareth Batty has 2-7 off 2 overs. Impressive stuff.
Worcestershire Rapids struggling for partnerships in their innings against Lancashire Lightning at Old Trafford.
They're 104-6 after 17 overs with three wickets to Liam Livingstone's name.
Martin Guptill the only one to make any significant score for the visitors so far with 37 off 33 balls earlier on.
Rawlins c T Curran b Batty 5 (Sussex 73-3 v Surrey)
Gareth Batty strikes again!
Young left-hander Delray Rawlins tries to swat the spinner away but smacks it straight to Tom Curran at deep square leg.
Wright 28, Rawlins 4
The spinners are changing this game. Imran Tahir's second goes for five singles. Surrey have pulled themselves back into this.
Wright 26, Rawlins 1
A fine first over for veteran spinner Gareth Batty. The wicket of Laurie Evans and just four from it.