Second-placed Hampshire declare on 400-9 against Northamptonshire
Bad light ends play with Yorkshire 130-4 in the Roses match, replying to Lancashire's 276
Feroze Khushi hits maiden first-class century for Essex against Kent
Pakistan's Imam ul-Haq out for 90 on debut for Somerset
Gareth Roderick makes unbeaten 172 for Worcestershire in Cardiff
Leicestershire set target of 499 by Div Two leaders Nottinghamshire
Derbyshire 306 v Durham
The umpires have decided that the light at the Incora County Ground isn't good enough to allow Durham to begin their first innings - and now rain has arrived as well.
The number of games with prompt starts falls to three.
Essex 331-4 v Kent
Also away at Canterbury and Feroze Kushi gets to fifty with the first ball of the morning.
66 balls and eight fours.
Essex with a great chance to take complete control of the game in the next couple of sessions.
Notts 201 & 22-0 v Leics 93
Leicestershire coach Paul Nixon complained about "excessive" seam movement after an opening day at Trent Bridge in which 20 wickets fell.
What can we expect from day two? Haseeb Hameed flicks Chris Wright's second delivery away to fine leg for four.
Three more come from the rest of the over and the Notts lead is now 130.
Image source, Rex FeaturesHants 229-5 v Northants
About to get underway on time on the south coast.
The game right in the balance.
Liam Dawson and Anuerin Donald to resume for the home side - their stand yesterday moved them away from big trouble at 167-5.
And just when we were about to type the sentence 'we will have play starting on time at five of the seven grounds', this happens....
Make that four.
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Somerset v Gloucestershire 320-6 (after day one)
The very latest news from Taunton is that umpires Nigel Llong and Tom Lungley plan to carry out an inspection at 10:45.
The sun has emerged and the covers have been removed.
As and when there is play, Gloucestershire's Jack Taylor will resume 15 not out, with Tom Price on three.
Our 5 Live Sports Extra and BBC local radio commentators are again in place to bring you ball by ball coverage of the second day's play at our seven grounds.
Choose a stream from the match promos at the top of the page and you can read about events elsewhere via our regular text updates.
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Hampshire 229-5 v Northamptonshire (play due to start 10:30)
Image source, Rex FeaturesHampshire opener Felix Organ was pleased to see his work on combatting a seaming ball pay off in his 71 on the opening day against Northants at the Ageas Bowl.
Victory would lift them to the top of Division One and put the pressure on current leaders Surrey, who are not in action this week.
"There were a few plays and misses but it felt decent. I've done enough practice to get use to the ball moving around and hopefully get in a position to play it late," Organ told BBC Radio Solent.
"We would have bowled so to lose the toss and batting we would have taken that. The pitch is quite green, we left a bit of grass on it, as we are pushing for a result and rain may come. We need to take 20 wickets."
Kent v Essex 327-4 (matches resumes 10:30)
Image source, Rex FeaturesEssex head coach Anthony McGrath professed himself "pretty satisfied" with their opening-day effort against Kent.
Alastair Cook and Tom Westley made half-centuries after the visitors were asked to bat first before Matt Critchley (80no) and Feroze Khushi (46no) carried them to a third batting point.
"We would have bowled first too, as we thought with the half ten start, we might be able to nip a few out early. But we lost the toss and we're now in a fairly good position," McGrath told BBC Essex.
"You are never quite sure how the guys are going to go after a white-ball tournament, so I think we couldn't have asked for a lot more than how we've finished."
Somerset v Gloucestershire 320-6 (after day one)
Looks like we are set for a delayed start at Taunton too.
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Lancashire 272-8 v Yorkshire (after day one)
The Roses match is intriguingly poised after a see-saw opening day, so this is not good news.
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Apart from a lengthy hold-up at the Ageas Bowl, we were pretty lucky with the weather on day one.
BBC Weather reports there were about 30,000 lightning flashes across England and northern France last night.
And today's prospects? Perhaps not so good.
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Following first day's play
Division One
Hampshire 229-5 v Northamptonshire
Kent v Essex 327-4
Lancashire 272-8 v Yorkshire
Somerset v Gloucestershire 320-6
Division Two
Derbyshire 306 v Durham
Glamorgan v Worcestershire 285-7
Nottinghamshire 201 & 15-0 v Leicestershire 93
Image source, Getty ImagesThis was the scene at Taunton towards close of play last evening.
What a fabulous photo - ominous, threatening, sepulchral, choose any adjective you like to describe it.
It's day two in seven County Championship matches.
Welcome to our coverage. Play is due to begin at 10:30.