Ryan Patel hits 102 as Surrey defeat Somerset by three wickets
Champions Warwickshire score 110-0 to beat Essex by 10 wickets
Lancashire beat Gloucestershire by innings and 57 runs
Hampshire beat Kent by an innings and 51 runs at Canterbury
Northants bat through final day to draw with Yorkshire
Derbyshire win by an innings and 68 runs at Leicester
Northants 284-6 need 499 to beat Yorks
The field is all up for Yorkshire so plenty of runs are on offer.
Lewis McManus raises fifty but it's the 103 balls he's eaten up that's more significant.
12 overs remaining and Northants are almost safe.
Lancs v Glos 234-8 trail by 70
Hmm, perhaps a little more nervy shuffling from Lancashire now.
Tom Lace and Jared Warner are still going for The Glosters and they have got their side to within 12 overs of a draw.
72 balls remaining and Lancashire need two good'uns.
Northants 271-6 need 499 to beat Yorks
16 overs left in Northampton and the home side are seeing out the trip at the moment with Lewis McManus and Matt Kelly.
But that wicket of Will Young has just kept Yorkshire interested and there's no handshake just yet.
Lancs v Glos 229-8 trail by 75
Anybody else not think that Gloucestershire would still be going this late in the day?
This was the type of partnership they needed much earlier.
They haven't been able to take out significant chunks of time.
But this ninth-wicket stand between Tom Lace and Jared Warner has eaten up 22 overs so far.
Still need to get through another 16 though for the great escape.
Surrey 308 & 239-7 v Somerset 337 & 207
Ben Foakes tucks Jack Brooks away through the leg-side for the winning boundary for Surrey, who retain top spot in Division One.
Foakes finishes on 48 not out, but the main plaudits go to opener Ryan Patel, who set up the successful chase with an innings of 102.
Brooks took 4-73 as Somerset did their level best but that is three successive defeats now for them at the start of the season.
Image source, Getty ImagesThe Overton brothers exchange a word at the end of the game after being on opposite sides for the first time in the Championship
Clark c Davey b Brooks 6 (Surrey 233-7 - target 237)
Jordan Clark tries to go for glory but swipes a catch to Josh Davey at mid-on. Jamie Overton is the new batter - will he hit the winning runs against his former club?
Surrey 234-6 (target 237)
Craig Overton - five dot balls to Jordan Clark, then a single. We must wait.
Surrey 233-6 (target 237)
Almost over. Two singles and four byes in Jack Brooks' latest over. Surrey are one good hit away from victory.
Surrey 227-6 (target 237)
Ben Foakes is a calming presence for Surrey. He'll want to take any heat out of the situation and rotates the strike by taking a single from the final delivery of Craig Overton's latest over. Sensible batting - 10 needed.
Overton, by the way, has a bruised toe, BBC Somerset's Anthony Gibson says. Will he be fit for Thursday's home game with Warwickshire?
Surrey 226-6 (target 237)
Ben Foakes takes a single at the start of a new Jack Brooks and having been seriously discomfited by the next delivery, Jordan Clark gets off the mark with a four through mid-wicket - 11 needed now.
The final two balls of the over are short of a length, Clark swishes at both but makes no contact.
Jacks c Abell b C Overton 1 (Surrey 221-6 - target 237)
Somerset gave us a sensational finish against Essex last week - can they do it again?
Craig Overton strikes as Will Jacks is caught in the gully by Tom Abell.
Still 16 needed by Surrey - Jordan Clark is up next.
Lancs v Glos 221-8 trail by 83
The hope will just be beginning to hurt Gloucestershire supporters.
Tom Lace and Jared Warner have got through 15 overs so far.
But they still have another 23 to try and see out.
Still so much time for Lancashire but perhaps one or two moving nervously.
Surrey 221-5 (target 237)
Following the wicket of Sam Curran, Craig Overton is back into the attack for Somerset - but only 16 runs are needed.
BBC Radio London's Mark Church informs everyone that Steven Davies' catch to remove Curran was his 600th in first-class cricket.
Safe hands.
Young b Revis 96 (Northants 236-6 need 499 to beat Yorks)
It was a safe half hour for Northants after tea but this wicket opens things up again.
Will Young had been out there for 241 balls but he's tried to leave Matt Revis, dragged it into his own stumps and gone for 96.
Just when the game looked to be heading safely for a draw, Yorkshire get the wicket they wanted and have 25 more overs to try and find four wickets.
Curran c Davies b Brooks 33 (Surrey 220-5 - target 237)
Sam Curran seems surprised by a little extra bounce from Jack Brooks and edges to keeper Steven Davies - Brooks now has 3-61.
Curran and Ben Foakes put on 48 for the fifth wicket and the new Surrey batter is Will Jacks.
Surrey 218-4 (target 237)
In comes Jack Brooks and Sam Curran edges past first slip for four runs.
Curran advances to 32, Ben Foakes is 40 not out and Surrey require another 19 runs to retain top spot in Division One.
Surrey 211-4 (target 237)
Is the game up for Somerset?
Matt Renshaw comes on to bowl - a player with only five first-class wickets.
Four singles come from his over and Surrey need another 26.
Surrey 204-4 (target 237)
Brilliant batting.
Another maximum for Sam Curran, this time over mid-wicket, and Surrey are past 200 and rushing towards their target.
Jack Leach won't be enjoying this.
Surrey 196-4 (target 237)
Sam Curran must have somewhere else to be this evening.
After hitting Jack Leach over long-off for six, he addsd two fours in the next over bowled by Jack Brooks.
Curran is 17 not out and Surrey need another 41 runs.
Image source, Getty ImagesKent 305 & 296 v Hampshire 562-6 dec
No hat-trick for Kyle Abbott as Jackson Bird flicks away for four - but it is three wickets in four balls as the next one has the Australian lbw.
Abbott finishes with 5-29 and Hampshire have their second win of the season - a great way to bounce back after losing by an innings tio Surrey last week.
Prolific Ben Compton made 89 for Kent, who have now lost two out of three, but there last five wickets went down for 49 in 15 overs.