Following the announcement from Buckingham Palace, this live page will now close.
BreakingPost update
Buckingham Palace has announced the death of Prince Philip, Duke of Edinburgh.
Rain stops play at Edgbaston
Warwickshire 38-1 v Derbyshire 189
Players off the field at Edgbaston as showers blow across the Second City.
Warwickshire 38-1 in reply to Derbyshire's 189.
Dom Sibley digging in on 4 not out from 35 balls so far.
Post update
Is there a more popular name than Tom in county cricket? Surely not.
WICKET
Loten b Hogan 0 (Yorkshire 31-2 v Glamorgan 330)
Yorkshire two down and a second wicket already for Michael Hogan.
Tom Loten on his way without scoring as he inside edges one on to his stumps as he prodded forward.
That brings to the crease a certain Joe Root....
WICKET
Lammonby c Simpson b Murtagh 5 (Middlesex 313 v Somerset 7-1)
Tim Murtagh strikes early for Middlesex!
Tom Lammonby tickles the seamer behind and John Simpson gobbles it up.
Another Tom, Somerset captain Tom Abell, joins Tom Banton in the middle at Lord's.
WICKET
Walter c Mitchell b Barnard 38 (Essex 254-4 v Worcestershire)
Worcestershire finally break Essex's fourth-wicket stand of 124 as Paul Walter gets a leading edge to a delivery from Ed Barnard.
Daryl Mitchell takes a smart catch at second slip to dismiss the tall left-hander for 38 shortly after Essex pick up a second batting bonus point.
Tom Westley unbeaten on 116 at the other end. Barnard now with figures of 3-47.
Get Involved
Who should be given an England chance? #bbccricket
With Ollie Robinson picking up an early wicket for Sussex, we'd like to know who you think should be given an England chance this summer?
It can be an old face or new. Tweet us using #bbccricket on Twitter.
WICKET
Kohler-Cadmore c Cooke b Hogan 11 (Yorkshire 19-1 v Glamorgan 330)
First wicket down in Yorkshire's reply.
Tom Kohler-Cadmore takes a wild swipe at a ball outside off stump from Michael Hogan and edges behind to wicketkeeper Chris Cooke for 11.
Tom Loten strides out to join Adam Lyth (8 not out) at number three.
Play under way at Grace Road
Group 2 update
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After a 45-minute rain delay, they're out at Leicestershire. Hampshire have resumed on 431-4 with James Vince starting day two on 168.
Gloucestershire have made a solid start replying to Surrey's first-innings 220 all out - they're 35-0.
Just a reminder that the other game in this group is between Middlesex and Somerset.
Jennings out early for Lancs
Group 3 update
Highly-rated Sussex seamer Ollie Robinson has an early breakthrough at Old Trafford as Lancashire opener Keaton Jennings edges him to slip.
Lancashire are 8-1, replying to Sussex's 301 all out.
Kent are going along rather nicely in the other game in Yorkshire's group - Darren Stevens' unbeaten half-century helping them to 361-8 at Northants.
Lyth gets Yorkshire going
Yorkshire 9-0 v Glamorgan 330
Adam Lyth and Tom Kohler-Cadmore stride out to begin Yorkshire's reply at Headingley.
Lyth plays a classy cover drive for four off Timm van der Gugten for the first boundary of the innings.
Post update
Middlesex 313 v Somerset 1-0
Tom Lammonby and Tom Banton get Somerset's first innings under way at Lord's.
You feel it's a big season in red-ball cricket for Banton - he has an average of 25.17 in his 15 first-class matches with a top score of 79. That'll improve.
Under way in Birmingham and Nottingham
Group 1 update
Rex FeaturesCopyright: Rex Features
Play has restarted after some brief rain delays in the two other Group 1 matches at Edgbaston and Trent Bridge.
England opener Dom Sibley (3 not out) is at the crease for Warwickshire as they continue their reply to Derbyshire 189 all out yesterday on 24-1
Durham meanwhile have passed 250 against Nottinghamshire but have lost the wicket of Brydon Carse leg before to Brett Hutton for 25 (pictured above).
Live Reporting
Gary Smee and Adam Williams
All times stated are UK
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Rex FeaturesCopyright: Rex Features 
Rex FeaturesCopyright: Rex Features
Latest PostPost update
Following the announcement from Buckingham Palace, this live page will now close.
BreakingPost update
Buckingham Palace has announced the death of Prince Philip, Duke of Edinburgh.
Rain stops play at Edgbaston
Warwickshire 38-1 v Derbyshire 189
Players off the field at Edgbaston as showers blow across the Second City.
Warwickshire 38-1 in reply to Derbyshire's 189.
Dom Sibley digging in on 4 not out from 35 balls so far.
Post update
Is there a more popular name than Tom in county cricket? Surely not.
WICKET
Loten b Hogan 0 (Yorkshire 31-2 v Glamorgan 330)
Yorkshire two down and a second wicket already for Michael Hogan.
Tom Loten on his way without scoring as he inside edges one on to his stumps as he prodded forward.
That brings to the crease a certain Joe Root....
WICKET
Lammonby c Simpson b Murtagh 5 (Middlesex 313 v Somerset 7-1)
Tim Murtagh strikes early for Middlesex!
Tom Lammonby tickles the seamer behind and John Simpson gobbles it up.
Another Tom, Somerset captain Tom Abell, joins Tom Banton in the middle at Lord's.
WICKET
Walter c Mitchell b Barnard 38 (Essex 254-4 v Worcestershire)
Worcestershire finally break Essex's fourth-wicket stand of 124 as Paul Walter gets a leading edge to a delivery from Ed Barnard.
Daryl Mitchell takes a smart catch at second slip to dismiss the tall left-hander for 38 shortly after Essex pick up a second batting bonus point.
Tom Westley unbeaten on 116 at the other end. Barnard now with figures of 3-47.
Get Involved
Who should be given an England chance? #bbccricket
With Ollie Robinson picking up an early wicket for Sussex, we'd like to know who you think should be given an England chance this summer?
It can be an old face or new. Tweet us using #bbccricket on Twitter.
WICKET
Kohler-Cadmore c Cooke b Hogan 11 (Yorkshire 19-1 v Glamorgan 330)
First wicket down in Yorkshire's reply.
Tom Kohler-Cadmore takes a wild swipe at a ball outside off stump from Michael Hogan and edges behind to wicketkeeper Chris Cooke for 11.
Tom Loten strides out to join Adam Lyth (8 not out) at number three.
Play under way at Grace Road
Group 2 update
After a 45-minute rain delay, they're out at Leicestershire. Hampshire have resumed on 431-4 with James Vince starting day two on 168.
Gloucestershire have made a solid start replying to Surrey's first-innings 220 all out - they're 35-0.
Just a reminder that the other game in this group is between Middlesex and Somerset.
Jennings out early for Lancs
Group 3 update
Highly-rated Sussex seamer Ollie Robinson has an early breakthrough at Old Trafford as Lancashire opener Keaton Jennings edges him to slip.
Lancashire are 8-1, replying to Sussex's 301 all out.
Kent are going along rather nicely in the other game in Yorkshire's group - Darren Stevens' unbeaten half-century helping them to 361-8 at Northants.
Lyth gets Yorkshire going
Yorkshire 9-0 v Glamorgan 330
Adam Lyth and Tom Kohler-Cadmore stride out to begin Yorkshire's reply at Headingley.
Lyth plays a classy cover drive for four off Timm van der Gugten for the first boundary of the innings.
Post update
Middlesex 313 v Somerset 1-0
Tom Lammonby and Tom Banton get Somerset's first innings under way at Lord's.
You feel it's a big season in red-ball cricket for Banton - he has an average of 25.17 in his 15 first-class matches with a top score of 79. That'll improve.
Under way in Birmingham and Nottingham
Group 1 update
Play has restarted after some brief rain delays in the two other Group 1 matches at Edgbaston and Trent Bridge.
England opener Dom Sibley (3 not out) is at the crease for Warwickshire as they continue their reply to Derbyshire 189 all out yesterday on 24-1
Durham meanwhile have passed 250 against Nottinghamshire but have lost the wicket of Brydon Carse leg before to Brett Hutton for 25 (pictured above).
The visitors now 255-8 in their first innings.
for Stevens
Northants v Kent 351-8
Can we say "at the ripe old age of 44"?
for Tom Westley
Essex 233-3 v Worcestershire
And there is Tom Westley's century for Essex with a neat clip off his pads down to deep squre leg off Ed Barnard.
His first ton in first-class cricket since the end of 2019 has come in 236 balls with 15 fours.
A welcome return to form for the Essex skipper.
WICKET
Roland-Jones lbw b C Overton 26 (Middlesex 313 all out v Somerset)
Middlesex are all out for 313.
Craig Overton pins Toby Roland-Jones lbw and he's on his way for 26.
It's the second highest score of the innings behind Sam Robson's 165!
Leics restart at 11:45 BST
Leics v Hants 431-4
The rain has eased at Grace Road and they're going to look to get started in 20 minutes.
Hampshire captain James Vince will resume on 168.
Glamorgan dismissed for 330
Yorkshire v Glamorgan 330
Yorkshire finally wrap up the Glamorgan tail as Steve Patterson traps Jamie McIlroy leg before for a duck.
Timm van der Gugten finishes unbeaten at the other end on a career-best 85 not out.
Ben Coad with 4-94 the pick of the Yorkshire bowlers.
The White Rose, including a certain Joe Root, will begin their reply shortly.
WICKET
Bamber b Gregory 9 (Middlesex 309-9 v Somerset)
Five wickets for Lewis Gregory!
The Somerset seamer pings in a straight one and Ethan Bamber is beaten all ends up.
Middlesex have gone past 300 this morning though to pick up a third batting bonus point.