Burns (90) & Elgar (75) help Surrey to 256-4 at Essex
22 wickets fall on day one at Taunton
Somerset bowl out Lancashire for 99; Leach takes 5-28
Somerset recover from 97-8 to 192 all out; Gregory 64*
Lancs close on 7-2 in second innings - trail by 86
Slater century takes Notts to 331-7 against Yorkshire
Barnard takes 6-50 as Worcs bowl out Hants for 191
Pears close on 68-4
Bailey b Leach 13 (Somerset v Lancs 99)
This. Has been. A. Um. Quick capitulation.
Genuinely lost for words at how quickly this second session has unravelled for Lancashire.
I'm not sure any of us thought it could get this much worse, this quickly for Lancashire, who resumed after lunch on 72-5.
But Jack Leach takes his fifth wicket of the day, as Tom Bailey swipes awkwardly at Leach's delivery and is bowled cleanly out.
Onions b J Overton 0 (Somerset v Lancs 99-9)
Image source, Rex FeaturesI mean, seriously?!
Graham Onions can find no answer to Jamie Overton's yorker and is bowled second ball.
Overton's team mates rush to huddle him - and rightly so. Onions had no chance.
Vince c Cox b Barnard 10 (Worcs v Hants 106-4)
Big, big wicket for Worcestershire!
James Vince plays a loose drive and nicks Ed Barnard behind.
It's the young all-rounder's third wicket.
Maharaj c Green b J Overton 1 (Somerset v Lancs 99-8)
Won't somebody think of the children?!
Keshav Maharaj pulls Jamie Overton to Ben Green at square leg, the ball soars high - but it's an easy catch for Green.
This is some capitulation from Lancashire.
Notts 120--0 Yorkshire
The Nottinghamshire dominance continues at Trent Bridge.
Kraigg Brathwaite makes it back-to-back half centuries from 116 balls, with 10 fours in there.
He directs Mathew Pillans through square leg to find his latest boundary, and his batting partner is going at some pace, too: Ben Slater is 61 off 123.
Essex v Somerset 130-1
Rory Burns and Dean Elgar's stand for Surrey is now worth 100 - Burns has 62, South Africa's Elgar with 44.
Surrey are demonstrating why they are unbeaten this season and heading towards the title.
Lamb lbw b Leach 6 (Somerset v Lancs 94-7)
Image source, Rex FeaturesYikes - the last thing Lancashire would have wanted!
Jack Leach takes his fourth wicket of the day as he traps Danny Lamb lbw with a delivery that turns.
Lancashire have plenty to do now to try and salvage this mess...
Soames c Mitchell b Barnard 25 (Worcs v Hampshire 85-3)
It's a second wicket for Ed Barnard, as Oliver Soames is caught by Daryl Mitchell at second slip.
That's a couple of crucial wickets either side of lunch now for Worcestershire in their battle to avoid relegation.
Essex v Surrey 116-1
Image source, Rex FeaturesSurrey are really in the driving seat now - Rory Burns posts his half-century from 109 balls with eight boundaries.
Successive fours from Sam Cook take the left-hander to 55.
Essex v Surrey 107-1
It's been 16 years since Surrey last won the County Championship, by the way - so if they managed it this year, it would be long overdue.
They're keeping up a nice pace here against Essex, Rory Burns hitting Jamie Porter for four after lunch before the seamer concedes three byes.
Vilas c Davies b Leach 11 (Somerset v Lancs 79-6)
Dane Villas is caught behind by Steve Davies off the bowling of Jack Leach, who takes his third wicket of the day. Five-wicket haul looming, surely...
We're up and running - play has resumed after lunch.
Who should replace Alastair Cook as England opener? #bbccricket
Jamie Ford: So England have a meaningless game v India as series already won, and still we don’t drop Jennings and don’t bring in some young guys to try get some experience like Rory Burns etc. Shambles
Gloucestershire 63-1 v Middlesex - lunch
Robert Hunt
BBC Sport at Bristol
Gloucestershire were looking good in the Bristol gloom having been told to bat by Middlesex...
... Until the last ball of the first session, when Miles Hammond was held at gulley by David Malan for 23.
Chris Dent off the back of a double hundred is not out 34.
It looks a docile pitch and Middlesex will have to work hard to get the win that will keep them in the promotion hunt.
Notts 104-0 v Yorkshire - lunch
Dave Bracegirdle
BBC Radio Nottingham commentator
Nottinghamshire made a strong start after being asked to bat first on the opening morning of their County Championship match against Yorkshire at Trent Bridge.
Kraigg Brathwaite and Ben Slater, both on their home debuts, faced a testing opening hour, during which the visitors spilled their only opportunity of the session.
Slater mistimed a pull off Jack Brooks, when on six, but was reprieved when Matthew Waite dropped the chance at midwicket.
The openers accelerated as the morning wore on and Slater’s fifty came from 89 balls.
By lunch he had moved on to 55 and Brathwaite has 43, with Notts on 104 without loss.
Okay, with eight of our nine matches at lunch, I'm going to take a break for 20 minutes or so.
Katie Whyatt will be in the chair for the afternoon session.
Somerset v Lancashire 72-5 - lunch
Scott Read
BBC Radio Lancashire
The only part of the morning session which went Lancashire’s way was winning the toss.
What followed was a procession of wickets to leave Lancashire five down.
Steven Croft received a excellent ball from Jack Leach, bounce, turn and then stumped moments later.
Aside from that Somerset haven’t had to work too hard to remove Lancashire’s top order.
Division Two latest
After the morning session was washed out, they're just about to get under way at Edgbaston where Division Two leaders Warwickshire are batting against Durham.
The other four Division Two games have gone to lunch...
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Somerset v Lancashire 72-5
I'm not sure Somerset could have hoped for a better start to the game.
Five wickets in a session on a pitch that is already showing signs of some turn.
A big afternoon coming up for both sides.
Worcestershire v Hampshire 81-2
It's just about even at New Road after the first session.
Josh Tongue picked up the crucial wicket of Jimmy Adams just before the interval.
Oliver Soares is still there on 23 in just his third first-class match.