Division One: Notts v Lancs, Warwickshire v Hants, Yorks v Somerset
Warwickshire v Hants delayed until 11:30 BST due to Covid case in Hants squad
Division Two: Durham v Glamorgan, Essex v Glos, Northants v Surrey
Division Three: Derbys v Leics, Kent v Worcs
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Kohler-Cadmore c Abell b Davey 1 (Yorkshire 51-3 v Somerset 134)
Two in the over for Somerset!
Tom Kohler-Cadmore resumes batting after retiring with an elbow injury earlier, but only lasts three more balls as he edges Josh Davey to second slip.
The game has turned once again.
Durham 117-2 v Glamorgan 97 - tea, day one
Martin Emmerson
BBC Radio Newcastle
It's been like watching two different games today. Glamorgan were bowled out for just 97 earlier, their lowest championship score against Durham.
The innings lasted just 32 overs with Paul Coughlin returning from injury and taking 4-11 in five overs. He hasn't played since a thigh injury in the T20 in mid June. What a a way to make up for lost time.
There were also three wickets each for Chris Rushworth and Ben Raine. At tea Durham were 20 ahead at 117-0. Alex Lees has 53 and Michael Jones 55. They have made it look so easy. For Lees it is the 52nd time he has reached 50 in first-class cricket and all of this in front of the England scout James Taylor!
Could the Durham opener be on a plane somewhere this winter in a touring party?
Hill c Hildreth b Davey 29 (Yorkshire 51-2 v Somerset 134)
Wicket in the second over after tea!
Yorkshire opener George Hill edges Josh Davey to slip.
Just what the doctor ordered for the visitors at Scarborough.
Notts 211-4 v Lancs - tea, day one
Scott Read
BBC Radio Lancashire
Nottinghamshire supporters have enjoyed both the warm weather and their sides performance with the bat so far on the opening day. The pitch looks a belter, and they'll be eyeing up a sizeable first innings score and plenty of batting bonus points along the way.
Lancashire have plugged away throughout the day, doing their best to contain the run rate and take wickets, Saqib Mahmood perhaps the most unfortunate bowler, he's seen a couple of edges put down today. The dismissal of Lyndon James with the final ball of the session will have given Lancashire a much needed boost.
Division One
Notts 211-4 v Lancashire - tea
Warwickshire 36-5 v Hampshire 89
Yorkshire 47-1 v Somerset 134 - tea
Division Two
Durham 107-0 v Glamorgan 97
Essex 71-4 v Gloucestershire 76 - tea
Division Three
Derbyshire v Leicestershire 184-2
Kent 72-3 v Worcestershire 133 - tea
Northants v Surrey 181-4
James c Bohannon b Bailey 21 (Nottinghamshire 211-4 v Lancashire)
Wicket on the final ball of the session!
Lyndon James' eyes lit up at this wide delivery. Why didn't he just leave it?
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Yorkshire 47-1 v Somerset 134
Another good session for Yorkshire.
Despite losing Adam Lyth and then Tom Kohler-Cadmore with an elbow injury, Gary Ballance and George Hill have seen them through to tea just one wicket down.
The deficit is 87.
Nottinghamshire 200-3 v Lancashire
Joe Clarke moves on to 40 off 70 balls, as Nottinghamshire seem to be one of the very few sides who have mastered today's batting conditions.
It seems as if Lancashire have ran out of ideas as we approach tea.
Lamb c Alsop b Barker 6 (Warwickshire 27-5 v Hampshire 89)
Division One leaders Warwickshire are really struggling as Matthew Lamb plays a thick edge behind to the corner.
A third wicket for Keith Barker. Hampshire are on a roll.
Tea time approaching in quite a few of our matches now. Happy with your side's progress so far?
To Division Two and Durham are cruising towards Glamorgan's first-innings total of 97. The hosts are already on 53-0 from 18 overs.
Essex are 44-4 after Gloucestershire were all out for 76 earlier.
And Surrey are 148-4 against Northamptonshire with Jamie Smith on 59 not out and Will Jacks unbeaten on 40.
Image source, Rex FeaturesWarwickshire 11-4 v Hampshire 89
So nearly a hat-trick!
Mohammad Abbas has Matthew Lamb playing and missing. The slips go up, asking if there's been a nick, but the umpire quickly shakes his head.
Rhodes c Holland b Mohammad Abbas 0 (Warwickshire 11-4 v Hampshire 89)
Two in two!
Mohammed Abbas is finding plenty of movement now, The Pakistan international has Will Rhodes edging his first ball to the slips.
He's on a hat-trick...
Sibley c Vince b Mohammad Abbas 6 (Warwickshire 11-3 v Hampshire 89)
Birthday boy Dom Sibley edges behind.
Warwickshire's rock is gone, and things are about to get worse...
Yorkshire 16-1 v Somerset 134
Things certainly aren't easy for the batsmen at Scarborough.
Tom Kohler-Cadmore has been forced to retire hurt after taking one on the elbow from Josh Davey.
Gary Ballance is the new man in.
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13 wickets have now fallen in less than two sessions at Canterbury.
Kent are 22-3 having skittled Worcestershire for 133. Joe Denly is the latest batsman to perish.
Life is a bit easier for Leicestershire's batsmen - they're 146-2 at East Midlands rivals Derbyshire.
Benjamin c Weatherley b Barker 5 (Warwickshire 11-2 v Hampshire 89)
Poor batting. This one certainly is.
Keith Barker has his second for Hampshire as Chris Benjamin mistimes his drive and edges behind to first slip.
It looks as if we're set for intriguing low-scoring affair at Edgbaston. Should be fun.
Five teams have already been bowled out today.
Poor batting or good bowling?
Image source, Rex FeaturesSam Northeast c Lavelle b Bailey 65 (Nottinghamshire 164-3 v Lancashire)
Ah, I really thought Sam Northeast was on for a big score, but he's caught chasing one and edges behind to the keeper.
Every time Nottinghamshire looks like they're about to get away, Lancashire peg them back.
Good game developing at Trent Bridge now.
Robert Yates lbw b Barker 0 (Warwickshire 5-1 v Hampshire 89)
This makes things interesting...
Rob Yates lasts just 13 balls before he's pinned in front by Keith Barker.
Is it the sign of things to come, or just a blip? Warwickshire trail by 84 runs.