Northamptonshire beat Durham by two wickets with a ball to spare
Rain denies Derbyshire victory against Nottinghamshire
Hampshire beat Warwickshire by an innings and 94 runs to go top of Division One
Middlesex draw with Somerset
Sussex beat Worcestershire by an innings and 7 runs
Northamptonshire (338 & 179-4) need 26 more runs to beat Durham (166 & 376)
Paul Coughlin sends down a ball that's too short and is no balled. Not the time to give away two runs and a delivery if you want to avoid defeat.
Josh Cobb and Rory Kleinveldt rotate the strike neatly for the rest of the over.
26 more to win now off 24 balls.
Derbyshire (363 & 182-5) need 34 more runs to beat Nottinghamshire (229 & 349)
Not what Derbyshire would have wanted.
Luke Fletcher traps Alex Hughes plumb in front for 24.
Jeevan Mendis joins Gary Wilson (31 not out) at the crease.
Derbyshire (363 & 180-4) need 36 more runs to beat Nottinghamshire (229 & 349)
Derbyshire need 36 off nine over at Trent Bridge.
Northamptonshire (338 & 173-4) need 32 more runs to beat Durham (166 & 376)
Rory Kleinveldt has come out to join Josh Cobb in the middle after Rob Keogh's dismissal.
He clubs a boundary off Barry McCarthy and is then dropped next ball by the bowler off a sharp return chance, getting two runs in the process.
32 runs needed now off 30 balls in the gloom.
Derbyshire (363 & 180-4) need 36 more runs to beat Nottinghamshire (229 & 349)
No word on how many overs are left just yet but play is about to get under way again at Trent Bridge with Derbyshire needing just 36 runs to win.
Northamptonshire (338 & 158-4) need 40 more runs to beat Durham (166 & 376)
Josh Cobb survives being run out as he takes a quick single off Paul Coughlin.
But, the next ball Rob Keogh skies a ball high into the dark skies, Coughlin does tremendously well to get underneath it and hold on to the catch.
Northants now need 40 off 36 balls.
Derbyshire (363 & 180-4) need 36 more runs to beat Nottinghamshire (229 & 349)
It's seeming more and more unlikely that we'll be getting back out at Trent Bridge, which feels unbelievably cruel on Derbyshire.
Northamptonshire (338 & 158-3) need 46 more runs to beat Durham (166 & 376)
Is this a twist in the tale?
Northants skipper Alex Wakely is run out going for a second off Barry McCarthy.
Keaton Jennings' brilliant throw in from the boundary sees him stranded short despite a despairing dive.
Josh Cobb the new man in for the visitors.
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Northamptonshire (338 & 155-2) need 50 more runs to beat Durham (166 & 376)
Getting slightly gloomier at Chester-le-Street and the floodlights are on.
Northants plug on though and now need 50 off 48 balls.
Derbyshire (363 & 180-4) need 36 more runs to beat Nottinghamshire (229 & 349)
A quirk of cricket for certain and it may just deny Derbyshire a first Championship win since July 2015.
Northamptonshire (338 & 150-2) need 55 more runs to beat Durham (166 & 376)
Break in play in the north east as Alex Wakely takes a blow from a short, rising delivery from Gavin Main.
He's struck around the neck and is receiving some treatment.
Northants need 55 more runs off 54 balls meanwhile.
Derbyshire (363 & 180-4) need 36 more runs to beat Nottinghamshire (229 & 349)
Can you believe it??!!!
The umpires have taken the players off the field for bad light with Derbyshire needing just 36 runs to win.
Northamptonshire (338 & 143-2) need 62 more runs to beat Durham (166 & 376)
10 overs to go now at Chester-le-Street.
Couple of tight overs from Gavin Main and Paul Coughlin, but Alex Wakely (74 not out) finds a timely boundary to keep his side in the hunt.
62 more runs required off 60 balls for Northants.
Derbyshire (363 & 172-4) need 44 more runs to beat Nottinghamshire (229 & 349)
Gary Wilson is taking the attack to the Notts bowlers, hitting Samit Patel and Luke Fletcher to the boundary rope in consecutive overs.
Derbyshire's target is now 44 runs off 15 overs. It should be simple enough but nothing is easy when you haven't won a Championship match since July 2015.
Northamptonshire (338 & 123-2) need 73 more runs to beat Durham (166 & 376)
Down to the last 12 overs at Chester-le-Street.
Northants have the equation down to 73 needed off 72 balls with Alex Wakely (65 not out) and Rob Keogh (4 not out) in the middle.
Derbyshire (363 & 151-4) need 65 more runs to beat Nottinghamshire (229 & 349)
Gary Wilson smacks Samit Patel to the cover boundary to take Derbyshire past 150.
Their target is now 65 runs off 18 overs.
Nottinghamshire 229 & 349 v Derbyshire 363 & 145-4
Dave Bracegirdle
BBC Radio Nottingham commentator
Thrilling conclusion now seems likely at Trent Bridge, where Derbyshire have lost a fourth wicket in pursuit of 216.
Wayne Madsen had played beautifully for his 61 but then a rush of blood saw him sky Samit Patel to deep backward point, where Brett Hutton has taken a magnificent diving catch.
Alex Hughes (17 not out) and Gary Wilson are at the crease with Derbyshire 145-4 needing 71 from 19 overs.
Northamptonshire (338 & 123-2) need 82 more runs to beat Durham (166 & 376)
Big breakthrough for Durham as Rob Newton skies a catch to the deep off Paul Coughlin's bowling.
Barry McCarthy takes a stunning catch running back from mid-on. Rob Keogh is the new man in.
Northamptonshire (338 & 122-1) need 83 more run to beat Durham (166 & 376)
Half-century for Rob Newton as Northants try to keep the runs ticking over.
They've got 15 overs left to get another 83 runs...
Nottinghamshire 229 & 349 v Derbyshire 363 & 141-4
Oh dear. I am a terrible, terrible jinx.
Wayne Madsen departs for a brilliant 61 after an excellent catch by Brett Hutton from Samit Patel's bowling.
Derbyshire's task just got a little harder against the current Division Two leaders.