Division One: Somerset edge to nervy five-wicket win over Durham after Jack Leach claims six wickets
Jonny Bairstow scores 72 to help Yorkshire to 376-5 against leaders Surrey during a rain-hit day
Jordan Cox's century boosts Essex against Sussex; Lyndon James hits 203 not out for second-placed Notts against Hampshire
Warwickshire all out for 184 after Ethan Brookes' career-best 140 helps Worcestershire post 333
Division Two: James Anderson takes wicket for Lancashire away to Gloucestershire after Chris Green's 160
Derbyshire's Luis Reece takes 6-56 before Rehan Ahmed also takes six wickets for leaders Leicestershire
Glamorgan on top against Kent; Kane Williamson hits century on County Championship debut as Middlesex pile on runs against Northants
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Yorkshire 353-4 v Surrey
Image source, Rex FeaturesTwo fours in three balls for Jonny Bairstow off Jordan Clark sees Yorkshire go past 350 and pick up a third batting point.
Both go down to the vacant area at deep third, slightly uppishly, although with Bairstow's power, they absolutely race to the rope.
Yorkshire 353-4 v Surrey
Mark Church
BBC Radio London commentator
It's a good battle between Jonny Bairstow and Sai Kishore and Bairstow is playing absolutely world class.
I'm enjoying this.
Hants v Notts 404-7
Dave Bracegirdle
BBC Radio Nottingham commentator
That is Lyndon James' sixth 100 in first-class cricket, his second of the season and his second against Hampshire.
That is a fabulous knock, that is a really, really good innings from James and he'll be very pleased to get that out of the way right at the start of the afternoon session.
Patterson-White lbw Fuller 24 (Hants v Notts 404-7)
James Fuller strikes for Hampshire.
Bowling around the wicket he thuds one into the pads of Liam Patterson-White and up goes the finger of doom.
Hants v Notts 404-6
Lyndon James drives James Fuller through long-on and down to the boundary.
Up comes the Notts 400 - maximum batting points anyone?
Somerset 250 v Durham 145 & 156-7
Will this fifth session be the last of the match?
Durham lead by 51 - what kind of advantage would give them something to bowl at in the fourth innings?
Would 120 be a tricky chase for Somerset?
Malik c Hose b Khurram 12 (Warwickshire 26-4 v Worcestershire 333)
The lunch break hasn't had the desired effect for the Bears as Worcestershire continue where they left off.
Khurram Shahzad really has the measure of the home batters today and has taken all four of their wickets to fall so far.
The latest is Zen Malik who half pulls out of a block and ends up sending it to Adam Hose at first slip who safely pouches a low catch.
Leicestershire's batting scorecard prompted a fair few comments over the lunch break.
That's because despite scoring 398, none of their batters finished with a score in double figures.
How, I hear you ask?
Well, there were three centuries - scores of 151, 115, and 101 - while the highest individual score from the rest of the team was eight (five ducks, eight, five and two).
Hants v Notts 393-6
Image source, Rex FeaturesHe has really enjoyed himself and given us some great entertainment along the way.
Lyndon James reaches a sixth century in first class cricket.
It has taken him 118 balls with 11 fours and three sixes - it's his second century against Hampshire.
Felix Organ did drop him in the slips just before lunch but that won't be mentioned in the book.
Yorkshire 334-4 v Surrey
Image source, Rex FeaturesNow Jonny Bairstow paddle sweeps Sai Kishore fine down to the boundary for another four runs.
It sees him reach his half-century off 68 balls and he looks in ominous form for Surrey.
It's his sixth of the season in the Championship, but he remains without a century.
Hants v Notts 388-6
A single on the resumption brings up a 50 partnership between Lyndon James (96*) and Liam Patterson-White (22*).
James is within one shot of three figures.
Yorkshire 330-4 v Surrey
This is developing into another threatening Yorkshire partnership as Jonny Bairstow flat bats a sweep for six off Sai Kishore.
That is now 54 added between him and Matt Revis.
Although in Kishore's previous over, Bairstow was beaten by a lovely flighted delivery from the India left-arm spinner.
Close to an edge and a stumping, it was super spin bowling for no reward.
Gloucestershire v Lancashire 421-8
Image source, Getty ImagesIt's hundreds in successive Championship games for Chris Green as he launches Todd Murphy again into the legside for four.
The Australian has taken 156 balls to reach the milestone, hitting nine fours and four maximums.
One at Cheltenham to follow one at Chesterfield - he loves these picturesque outgrounds!
Coming in at number eight with the score 209-6, he has taken Lancashire from a hint of trouble to a position of authority.
Sussex 204 v Essex 323-4
Image source, Rex FeaturesJust signs that Essex might want to open up a bit more.
Matt Critchley slog-sweeps Jack Carson into the stands for six at mid wicket.
Two balls later he repeats the dose.
Hands on hips all around the Sussex field.
After some refreshments the players are out and the action is back under way at most of the grounds.
What does this afternoon have in store for us?
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Sussex 204 v Essex 305-4
Image source, Rex FeaturesBack out after lunch and just how are Sussex going to break this partnership between Jordan Cox (115*) and Matt Critchley (58*)?
They have been together since the fall of Sam Cook late yesterday evening and are yet to be parted.
The 150 stand comes up with a Cox cut to the cover fence - it has all looked very comfortable.
Lunch: Warwickshire 16-3 v Worcestershire 333
Mike Taylor
BBC WM commentator
Ethan Brookes bellowed his own celebration on reaching a hundred against his former employers, and posed with both arms raised until he was sure the moment had been captured for posterity.
Over the next hour, that moment of joy for Worcestershire turned into a festival.
Having been frustrated for six overs last night and 10 more this morning by Brookes’s stubborn partner Adam Finch, Warwickshire tried a different approach.
Dan Mousley was invited to test the methods that have brought him some success in T20 cricket in this format, bowling wide outside the off-stump from the Pavilion End and daring Brookes to hit over the short legside boundary.
Brookes succeeded four times, and Steve O’Shaughnessy called four offside wides, before Brookes eventually skied a ball to extra cover.
The price of Brookes’ wicket appeared considerably dearer by lunch, by which time the Bears’ top three had all been sent back by Khurram Shahzad, in a sharp opening spell.
Rob Yates left a ball that jagged back to hit off stump, Mousley touched one going the other way to the 'keeper, and after nearly 40 minutes on nought, Alex Davies dragged a pull on to his stumps, rounding off a chastening morning.
Yorkshire 313-4 v Surrey
Big appeal from Dan Worrall as he strikes Jonny Bairstow on the pad.
Not out!
Worrall's natural angle probably makes up the umpire's mind that it is sliding just down leg.
This is an interesting battle - who wins this will probably decide how the rest of the innings will fare.
Lunch: Somerset 250 v Durham 145 & 152-7
Anthony Gibson
BBC Radio Somerset
Another five wickets have gone down this morning, to add to yesterday's 22, although that has been more down to some indifferent Durham batting, rather than any demons in the pitch.
That said, Jack Leach has once again been Somerset's main weapon, picking up another three wickets, with Archie Vaughan's off-spin accounting for the other two.
Bearing in mind that two of the seven Durham wickets were those of numbers 10 and 11, then Somerset's bowlers still have work to do.
This game isn't done and dusted just yet.