Tom Banton finally out for 371 for Somerset against Worcestershire
Adam Lyth hits 106 but Yorkshire lose to Hampshire by five wickets
Surrey follow-on against Essex 217 runs in arrears at Chelmsford
Lyndon James scores 125 for Nottinghamshire against Durham
Sussex build 200-run lead against Warwickshire at Edgbaston
Keith Dudgeon takes 7-36 as Kent beat Northamptonshire by 145 runs
Luis Reece completes takes 10 wickets in the match as Derbyshire beat Gloucestershire
Max Holden scores century for Middlesex against Lancashire at Lord's
Kiran Carlson makes 113 but Glamorgan lose to Leicestershire
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Essex 582-6d v Surrey 263-7
Ben Foakes has quietly got himself to 51 against his former club.
He has not changed his approach while watching wickets fall or during that excellent 65-run partnership with Jordan Clark.
Kiran Carlson has reached 50 for Glamorgan, who are 101-6 in their second innings against Leicestershire, still 94 behind.
Max Holden continues to hold Middlesex together at lord's - he is 63 not out in their 129-4 against Lancashire, giving them a 30-run lead.
Notts 487-8 v Durham 378
It's been a familiar feature in this innings.
Ben Raine swings one down the legside and past Ollie Robinson's despairing dive all the way to the rope.
It takes the ninth-wicket stand to 50, with Josh Tongue contributing 34 of them, off just 61 balls.
The fifth half-century stand of this innings.
Essex 582-6d v Surrey 258-7
Oooh nearly a fourth wicket for Simon Harmer.
Matthew Fisher gets an edge but it flies just out of the reach of Jordan Cox at slip.
It's one of those where you might throw up a hand and it sticks but Cox gets nothing on it.
Warks 414-6 v Sussex 528
This is Kai Smith's maiden first-class innings and he has played some attractive shots to get to 21 from 17 balls.
Warwickshire have just under 10 overs to get another 36 runs for maximum batting points.
Somerset 670-7 dec v Worcs 154 & 140-4
All gone a little quiet at Taunton as Somerset continue to work hard for their wickets.
Jack Leach is given a breather as Archie Vaughan comes on for a third over.
Adam Hose reaches a ball wide of off stump and sweeps for one. Tidy over.
No joy as yet for Kasey Aldridge at the River End.
Hants 28-0 - target 148
Yorkshire can't afford those sort of lapses.
Mark Stoneman clips George Hill to square leg but the chance is floored.
When you're the fielder in that situation, you just want the ground to swallow you up.
Essex 582-6d v Surrey 254-7
Mark Church
BBC Radio London commentator
That one did keep a little low on Jordan Clark. He's played very nicely but I think with that one he tried to get forward but it's just nipping back and keeping low on him and there's not a great deal he can do about that.
A good innings but he'll be disappointed there but Essex will be delighted with that. They've got their breakthrough after lunch.
It was good bowling from Sam Cook and we've said all day that it's all about stump to stump, wicket to wicket this and this is exactly what Cook has done there.
I didn't think Surrey would be seven down by this point and that's all credit to the Essex bowlers for getting it in the right place.
Warks 405-6 v Sussex 528
A fourth batting bonus point for the home side as Kai Smith sends Jack Carson over the long-on fence.
They have dug themselves out of a bit of a hole from 251-5 this morning.
Notts 482-8 v Durham 378
Josh Tongue continues on his merry way, edging George Drissell down to the third man boundary for another four.
Two balls later, he finds the gap again with a push against the spin which flies through the covers to the short boundary.
It takes Nottinghamshire's lead into three figures.
Another crack through the covers, another four ends Drissell's over with a third boundary. Tongue is up to 33 off 42 balls.
Derbys 391 v Gloucs 222 & 259
Image source, Rex FeaturesBrilliant by Luis Reece, who has Ajeet Singh Dale leg-before and takes 10 wickets in a match for the first time in his career.
Dale's dismissal gives him 4-45 to go with 6-52 in Gloucestershire's first innings.
Derbyshire will need 91 to match last season's Championship wins total of one.
Cooke lbw Green 21 (Glamorgan 229 & 97-6 v Leics 427)
Can Leicestershire get this done before the tea interval?
Ben Green removes Chris Cooke at the start of a new over and just four more wickets are needed with Glamorgan still 101 behind.
Warks 391-6 v Sussex 528
Ed Barnard pumps Jayden Seales into the seats.
His second maximum of his 71 not out.
Taylor c Madsen b Reece 20 (Derbys 391 v Gloucs 222 & 255-9)
Luis Reece is having quite the match - with the ball at least.
Matt Taylor edges to second slip and we are down to Gloucestershire's last-wicket pair.
Nine in the match now for left-armer Reece and the visitors are 86 ahead.
Essex 582-6d v Surrey 251-7
Essex get the breakthrough and immediately toss the ball to Simon Harmer to see if he can wrap up this Surrey innings.
Harmer has 3-34 so far.
Warks 384-6 v Sussex 528
Melinda Farrell
Sports broadcaster/journalist on BBC Radio WM
Kai Smith is out there and it looks like he really wants to play some shots. He's just got to get through this opening period.
Notts 469-8 v Durham 378
Josh Tongue shows he can wield a bat as he finds the gap and threads George Drissell to the short onside boundary.
Next over, Ben Raine sends down a short ball and the Notts number 10 pulls it through midwicket for his fourth boundary.
Raine strikes Tongue's pad with the final ball of his 30th over, but the shout is short-lived. Not out.
He's up to 21 and the ninth wicket is worth 32 and counting.
Hants 21-0 - target 148
The first bowling change by Yorkshire as George Hill replaces Jack White.
Mark Stoneman pushes him away for two and then thinks about pinching a single, but discretion is the better part of valour.
The next one from Hill is a cracker which leaves Stoneman late off the pitch but just misses the outside edge.
Good start by the Tykes all-rounder.
Clark LBW b Cook 45 (Essex 582-6d v Surrey 251-7)
Got him!
Jordan Clark misses a full, straight delivery from Sam Cook and has to go.
He has played very well but Surrey are back in trouble.
Matthew Fisher is in to join Ben Foakes.
Essex 582-6d v Surrey 249-6
Kevin Howells
BBC Test Match Special commentator
Well, after all the drama of this morning, it's all settled down here a bit, or has it?
This new ball has not seemingly done a great deal.