Day two of all games
18 counties split into three regional groups of six
Each side will play five games
Two teams with most points contest five-day final
Get involved #bbccricket
Northants 103-3 (target 322) v Somerset
One game not at tea yet is at The County Ground, where Ricardo Vasoncelos is playing a bit of a blinder.
The Northants number three brings up his fifty off just 55 balls with an 11th four.
Somerset are still heavy favourites, but you never know!
Image source, Getty ImagesWith games starting to head to tea, now seems a good time to have a look at the latest scores...
North group:
Durham 180 v Lancashire 190-5
Leics 199 v Derbys 287-5 - tea
Notts 220-6 v Yorks 264
Central group:
Gloucs 210 v Warwickshire 131-4
Northants 67 & 77-3 (target 322) v Somerset 166 & 222
Worcs 455-8 v Glamorgan 88-2 - tea
South group:
Essex 262 v Surrey 136-5 - tea
Kent 220-1 v Sussex 332
Middlesex 252 v Hants 196-4 - tea
Kent 216-1 v Sussex 332
It's a first fifty for Jack Leaning in Kent colours since his move south from Yorkshire.
The hosts continue to make hay in the sunshine at Canterbury with teenager Jordan Cox on 111 at the other end.
Jacks c Beard b Harmer 70 (Essex 262 v Surrey 134-5)
That's just the wicket Essex needed and it's come from their ever-reliable spinner Simon Harmer.
Will Jacks is livid with himself though as he chips Harmer straight to mid on.
All that hard work undone.
Image source, Getty ImagesBig wicket at Chelmsford...
Croft lbw b Salisbury 16 (Durham 180 v Lancs 184-5)
Curse of the commentator strikes again!
Steven Croft is pinned LBW by Matthew Salisbury.
Durham needed that wicket.
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Durham 180 v Lancs 184-4
After 56 overs, Lancashire have taken the lead against Durham.
The visitors have paced themselves nicely to 184-4 with Josh Bohannon on 60 and Steven Croft on 16.
The partnership is now worth 48.
Northeast c Sowter b Walallawita 51 (Middlesex 252 v Hants 167-4)
Sam Northeast is gone.
The Hampshire skipper cuts spinner Thilan Walallawita straight to Nathan Sowter at point who holds onto a sharp catch.
Much needed breakthrough for Middlesex at Radlett.
Leicestershire 199v Derbyshire 274-5
Leicestershire have been plugging away at Derbyshire and finally have another wicket to show for their efforts as Matthew Critchley falls for 24.
The surface at Grace Road look immaculate.
The hosts' 199 in the first innings looks well under par and they've got to be careful that Derbyshire don't take the game away from them between now and the close of play.
Wickets starting to fall now...
Keogh c&b Brooks 1 (Northants 51-3, target 322)
This could be over quickly...
Rob Keogh spoons one back to Jack Brooks and the Somerset paceman takes the catch.
Seven wickets to go for Somerset.
Image source, Getty ImagesTrego c Brook b Olivier 39 (Nottinghamshire 187-6 v Yorks 264)
Peter Trego goes for 39.
The Notts man is caught by Harry Brook at gully off the bowling of Duanne Olivier.
The hosts are still 77 runs behind Yorkshire with four wickets left in their first innings.
Middlesex 252 v Hants 163-3
Hampshire captain Sam Northeast joins Joe Weatherley in reaching his half-century.
This is some recovery by Hants who were 28-3 this morning. This pair have put on 135 for the fourth wicket.
Gay c Hildreth b J Overton 16 (Northants 46-2, target 322)
Another wicket for Somerset.
Northants opener Emilio Gay pokes at one from Jamie Overton and straight to first slip.
Gloucestershire 210 v Warks 104-4
The Bears have brought their 100 up at Bristol.
Its been handwork for their batsman with Will Rhodes, Rob Yates, Sam Hain and Ian Bell all falling today.
Matthew Lamb (26) and Michael Burgess (2) are currently at the crease for Warwickshire, with the visitors still trailing by 106.
Kent 188-1 v Sussex 332
Image source, Rex FeaturesKent opener Jordan Cox gets to his maiden first-class hundred in style - with a maximum off Sussex spinner Jack Carson!
It's taken the 19-year-old 152 balls with 16 fours to go with two sixes. Wonderful innings and Kent are dominant at Canterbury.
Durham 180 v Lancs 169-4
A great knock from Josh Bohannon.
He goes to his first half-century of the season from 129 balls.
Leicestershire 199 v Derbys 263-4
It was a fantastic 100 earlier for Derbyshire's Wayne Madson.
The visitors' lead has now stretched to 64 with Matthew Critchley going well on 23.
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Rhodes b Charlesworth 41 (Gloucestershire 210 v Warks 93-4)
Will Rhodes' resistance comes to an end.
The captain can't dig out a beautiful Ben Charlesworth yorker.
He falls for 41, Warwickshire still need another 117 to match Gloucestershire's first innings total.
Mullaney lbw b Lyth 50 (Nottinghamshire 163-5 v Yorks 264)
And now Mullaney's gone for 50.
The skipper goes to sweep Adam Lyth, misses, and it's as plumb as you like.