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Second-placed Essex beat Hampshire by six wickets at Southampton
Leaders Surrey beat Somerset by 10 wickets to also win in three days
Relegation-threatened Middlesex beat Warwickshire by eight wickets at Edgbaston
Kent bowled out for 316 at Trent Bridge in reply to the Notts total of 350
Wells, Bohannon & Salt tons as Lancashire cruise past Northants' 342 at Old Trafford
Division Two leaders Durham rained off for the day against Yorkshire at Scarborough
Price brothers help Gloucestershire rally to 212-4 after Worcestershire make 406
Derbyshire 78-0 in second innings, trailing by 125 having followed on against Glamorgan
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Notts 350 & 100-0 v Kent 314
Ben Slater caresses a half-volley from Jas Singh for two through the covers and that brings up a century stand for the Nottinghamshire opening pair.
It's a third of the season for Notts, with Hameed involved in all of those - although Ben Duckett was his partner in both of the previous hundred partnerships.
Easy maths here to work out that the home side's lead is now 134.
Glamorgan 531-8 dec, Derbyshire 318 & 51-0
Derbyshire openers Harry Came and Luis Reece go past 50 together for the second time in the game.
They went on to pile up 165 in the first dig, only for Derbyshire to fold to 318 all out once they had gone.
The hosts are looking for better from all the home bats this time round.
Lancashire 429-4 v Northamptonshire 342
Phil Salt's thrilling innings is over!
He goes for another big hit but this time he holes out at deep midwicket.
His 105 came off 77 balls and his innings has put Lancashire in complete command.
Somerset 170 & 226 v Surrey 368 & 21-0
Rory Burns edges the spin of Shoaib Bashir to Craig Overton at slip.
And it goes down!
Somerset 170 & 226 v Surrey 368 &15-0
Rory Burns and Dom Sibley are two batters who won't be hurried.
They are into the fifth over and are taking a sedate route to a small target.
Lancashire 421-3 v Northamptonshire 342
Phil Salt reaches 100 in style!
One step down the wicket and BOOM! Straight down the ground for six off Jack White.
He has taken just 74 balls with 11 fours and three sixes. This is real Bazball cricket from the wicketkeeper-batter.
Worcestershire 406, Gloucestershire 171-4
Ollie Price and Tom Price have now shared a half-century partnership for Gloucestershire.
The Prices are once again proving right in this fixture - to Worcestershire's annoyance.
The Pears have already suffered at the hands of Tom Price once this season, way back in April when he rescued his side from 85-8 with a century, then took a hat-trick all on the same day, external. Quite a good hat-trick too . . . Azhar Ali, Jack Haynes and home skipper Brett D'Oliveira, all caught behind by James Bracey.
Notts 350 & 85-0 v Kent 316
Image source, Rex FeaturesExcellent knock by Ben Slater, for the second time in this match.
Having scored exactly 100 first dig, the Nottinghamshire left-hander has now passed 50 again from 73 balls.
He gets there with a boundary, driving Jas Singh through gully to the fence as Notts continue to make the Kent bowlers toil.
Somerset 170 & 226 v Surrey 368 & 2-0
Openers Rory Burns and Dom Sibley have come out in pursuit of their victory target of 29.
They each pick up a single off Ben Green.
Tom Lammonby to bowl at the other end. Somerset know their goose is cooked.
Notts 350 & 74-0 v Kent 316
If there were any shackles upon them earlier, Ben Slater and Haseeb Hameed have shaken those off now.
They've begun scoring freely again, with Slater cutting Arafat Bhuiyan for successive fours in his first over and Hameed following that up with a leg-side boundary off Jas Singh.
Still 21 overs scheduled tonight, so Nottinghamshire could build up a very healthy lead by stumps. They're currently 108 ahead.
Lancashire 400-3 v Northamptonshire 342
Lancashire now reach 400 and they won't stop there.
Phil Salt up to 90 and 19 overs left tonight.
Somerset 170 & 226 all out v Surrey 368
Bowled him!!
Full and straight usually works against a number 11 and Jamie Overton crashes one into Shoaib Bashir's stumps.
Craig Overton is left unbeaten on an entertaining 70.
But the main news is that Surrey require only 29 to complete a deserved victory.
Lancashire 382-3 v Northamptonshire 342
The new ball does work for Jack White.
The first five balls went for 13 but he removes Josh Bohannon with the sixth.
White gets one to bounce a bit more and Bohannon steers it to slip, where it's brilliantly caught one-handed by a diving Ricardo Vasconcelos.
A super knock from Bohannon, though off 165 balls and just what his team required.
Notts 350 & 43-0 v Kent 316
Although they haven't taken a wicket, Joey Evison and Matt Quinn have done a good job of checking Nottinghamshire's progress.
The Kent bowlers have conceded only 16 in nine overs between them and four of those came just now when Haseeb Hameed swiped a rare loose ball from Evison to the rope at long leg.
Hameed has 14, with Ben Slater on 27 and Notts lead by 77.
Somerset 170 & 220-9 v Surrey 368
Gus Atkinson to Craig Overton...
Six, six, four.
The second of those sixes was so picked over midwicket that it went over the stand and out of the ground!
Lancashire 379-2 v Northamptonshire 342
Jack White has a new ball in his hand and Phil Salt has walloped the second ball for a one-bounce four.
And the third ball is pulled away for four more.
Northants are having a shocker of a day. They can't stem the bleeding.
Worcestershire 406, Gloucestershire 157-4
Ollie Price goes to his half-century at Cheltenham College. Good work this from the Price brothers.
Somerset 170 & 204-9 v Surrey 368
It is not going to change the result of this match, but it's a nice milestone for Craig Overton.
Coming off 57 balls, it's a late show of defiance from the Somerset number nine.
Somerset 170 & 202-9 v Surrey 368
Something of a moral victory for Somerset, who probably couldn't envisaged avoiding an innings defeat when Craig Overton and last man Shoaib Bashir came together at 149-9.
Almost 10 overs later, the pair have added 53 and taken Somerset past 200, with Overton bringing up that landmark by walloping Gus Atkinson over the top for six.
Northants 342, Lancs 359-2
Lancashire now lead Northamptonshire by 17 runs, with Josh Bohannon and Phil Salt in cruise control.
They have now put on a century stand - 103 in 18 overs.