Travis Head and Matthew Wade hit tons as the Australian XI close on 362-4 against England Lions
Somerset close on 76-4 after Yorkshire are finally bowled out for 502, including three centurions
Essex close on 73-1, ahead by 157, after Warwickshire are bowled out for 161
Kent close on 319-3 against Hampshire, just 90 runs behind, at the Rose Bowl
Surrey on 184-7, 308 runs ahead, after Notts are bowled out cheaply again for 116 at Trent Bridge
Lancashire declare on 494-6 at Old Trafford before Sussex close on 15-0 second time around
Middlesex close on 189-5, leading by 402, after not enforcing the follow-on against Glamorgan
Durham lead by 87 runs on 26-0 in their second innings after bowling out Worcestershire for 151
Temba Bavuma makes 134 as Northants total 342 at Chesterfield before Derbyshire close on 34-1
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Northamptonshire 213-5 v Derbyshire
Temba Bavuma goes to his ton for Northants.
That's centuries in successive matches for the South Africa batsman. This one took took 135 balls and included 14 boundaries and two maximums.
Essex 245, Warwickshire 134-8
Peter Siddle takes his fourth wicket - his third in four overs - as Essex bowl themselves back into a position of strength in this match.
Henry Brookes is the next Bears batsman to go, as he fails to fend off a shortish delivery and spoons one up to home skipper Ryan ten Doeschate at short leg.
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Yorkshire 506-9 v Somerset
That's a fourth wicket for Dom Bess and Somerset are one away from finally bowling Yorkshire out after 151 overs.
Bess gets the outside edge of Yorkshire skipper Steven Patterson and he's caught behind.
Harry Brook needs to get a move on! He's 91 not out and running out of partners.
Hampshire 409-9 dec, Kent 113-2
Joe Denly and Daniel Bell-Drummond ae tidying things up again for Kent at Southampton after the loss of openers Sean Dickson and Jordan Cox.
Yorkshire 503-8 v Somerset
Kesh Maharaj looks to go big and is caught at long on off the bowling of Dom Bess. HIs superb stand of 105 with Harry Brook is over.
You'd suspect Brook will aim to get his century and then start swinging.
Yorkshire 500-7 v Somerset
Harry Brook (89) and Keshav Maharaj (70) have now shared a century stand for Yorkshire to take them to 500 in their first innings. They are hammering the Somerset bowlers in to the dirt.
Essex 245, Warwickshire 127-7
Just three balls and one run later, Peter Siddle does it again as Michael Burgess goes the same way.
Same catcher that got Tim Ambrose. But this one is taken in the covers by Tom Westley after a rather too expensive drive into the covers.
Well, that got rid of them!
The new man at the crease are Henry Brookes and Bears skipper Jeetan Patel.
Essex 245, Warwickshire 126-6
In his first over back in the attack, Australian paceman Peter Siddle ends the resistance of the two Warwickshire wicketkeepers as he gets Tim Ambrose caught behind with a lifter well taken by Tom Westley at second slip.
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Yorkshire 481-7 v Somerset
After a superb 85 in the second innings at Chelmsford last time out, Keshav Maharaj goes to a 64-ball half-century to help take Yorkshire to position of unrelenting dominance against Somerset. He's hit four boundaries and a six.
Essex 245, Warwickshire 125-5
Warwickshire's two wicketkeepers have knitted together well here.
Long-serving Tim Ambrose and Michael Burgess, the man signed last month as his ultimate long-term replacement, have dug in to see the Bears past the follow-on avoidance target.
And they have done so still going for their shots, having now each 13 boundaries between them.
Ambrose is on 37, Burgess on 35. And, having come together on 62-5, their stand has now more than doubled the score.
Image source, Getty ImagesSurrey 240 & 19-3, Nottinghamshire 116
They are playing on a dustbowl at Trent Bridge.
Ravi Ashwin takes the edge of Surrey's South African batsman Dean Elgar and he's caught behind to leave them three down already.
Spinning paradise.
Hampshire 409-9 dec, Kent 62-2
Teenage Kent debutant Jordan Cox goes caught behind off Keith Barker.
The Hampshire left-armer Keith Barker comes in round the wicket, bowls a big inswinger, Cox gets a thin touch and Lewis McManus dives away to his left to pouch the catch.
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Surrey 240 & 13-2, Nottinghamshire 116
Another spinner, another lbw.
This time England opener and Surrey captain Rory Burns is the victim as Liam Patterson-White sends him back to the hutch.
Notts' spinners are making a real fist of just about keeping their side in the game.
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Image source, David WilliamsA snapshot has been sent in here by the father of one of our BBC Sport colleagues, who is sat watching Essex play Warwickshire at Chelmsford.
"We're a bit thin on the ground!" David Williams says in his WhatsApp message.
Can't imagine what else could be grabbing people's attention while Tim Ambrose and Michael Burgess try to handle Essex spinner Simon Harmer!
Essex 245, Warwickshire 87-5
Warwickshire are going for their shots a bit more and have actually started to target Simon Harmer, the country's leading wicket taker.
Nine came off that over. And just nine more are now needed to avoid the Bears being asked to follow on.
Tim Ambrose and Michael Burgess have so far put on 25 and made batting look a little easier.
Surrey 240 & 1-1, Nottinghamshire 116
Ryan Patel goes to the third ball of the innings as he's bowled for a duck by Ravichandran Ashwin. Could this finish today? Stranger things and all that.
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Surrey 240, Nottinghamshire 116
AMAR VIRDI ENDS WITH 8-61!
He bowls Zak Chappell to finish off Nottinghamshire and secure a 124-run lead for his side. What a performance from the Surrey spinner.
Yorkshire 413-7 v Somerset
Not what you need Somerset...
Keshav Maharaj looks to deposit Dom Bess in to the stand and is dropped at deep midwicket by George Bartlett.
Yorkshire are really looking to kick on now.
Lancashire 277-4, Sussex 127
Glenn Maxwell goes for a big hook off the bowling of Abidine Sakande but totally miscues it. Slip fielder Phil Salt takes a skier to get rid of the dangerous Aussie.
Nottinghamshire 116-9, Surrey 240
Seventh for Amar Virdi as he traps Luke Wood in front.
One to go.