Surrey need four more points to seal title
Burns reaches 100 for leaders at Worcs
Second-placed Somerset beaten by Hampshire
Yorkshire v Lancashire; Notts v Essex
Hampshire 61-4, target 75
Tom Alsop looks more at ease and hits a boundary off Craig Overton.
A horrible bounce down the leg side then beats Somerset wicketkeeper Steve Davies.
Hampshire need 14 runs now, with six wickets in hand.
Durham 103 & 72-1, Sussex 122
Adrian Harms
Sports reporter, BBC Sussex
After 13 wickets fell in the morning session batting has looked an entirely different proposition on a warm sunny afternoon in the North East.
Image source, BBC SportAlex Lees and Cameron Steel had looked largely untroubled until Lees was given out caught behind, giving Ollie Robinson his sixth wicket of the match - a decision that Lees clearly thought shouldn’t have been given.
Sussex need that breakthrough, particularly as Division Two leaders Warwickshire and second-placed Kent, their two promotion rivals, both look well placed in their respective matches.
Hampshire 53-4, target 75
Three valuable runs for Tom Alsop to get him off the mark and ease his nerves.
Hampshire need 22 runs now.
Will there be another twist before tea?
Hampshire 50-4, target 75
Three overs until tea, it looks like this match will continue for a short while yet.
You'd expect Hampshire to get the job done from here, but on this Ageas Bowl wicket it's impossible to say anything for sure.
Tom Alsop is under pressure from Somerset seamer Jamie Overton right now.
Hampshire 50-4, target 75
Hampshire bring up 50 with another James Adams boundary.
He moves onto 14, with Tom Alsop the news batsman in with him.
They need 25 runs to wrap up victory over second-placed Somerset.
Harmer b Wood 48 (Notts 177 v Essex 233)
Essex's Simon Harmer falls short of a 50.
On 48, he chops Luke Wood onto his own stumps and that's the end of their innings.
All out for 233 but they need Notts by 56 runs going into the second innings at Trent Bridge.
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Northeast c Trescothick b J Overton 12 (Hampshire 46-4, target 75)
Sam Northeast gone. Hampshire need 29 more, Somerset need six wickets.
It's a first wicket of the innings for Jamie Overton, who teases an edge which is taken by Marcus Trescothick at second slip.
It was a stand of 25 with James Adams but Hampshire are now 46-4.
Lyth c Vilas b Onions 7 (Yorkshire 209 & 19-2, Lancashire 252)
Adam Lyth follows in the next over. Another unhappy-looking fellow. He's given out caught behind to a thin edge off Graham Onions but the Yorkshire opener didn't look as if he thought he touched that.
The Tykes still trail by 24 runs. it's edging Lancashire's way again.
The sun is shining in Leeds but it's none too warm - and Yorkshire now need Gary Ballance and Harry Brook to steady things in the final testing few overs before tea.
Raval lbw Bailey 10 (Yorkshire 209 & 17-1, Lancashire 252)
New Zealander Jeet Raval goes cheaply again. He didn't look over happy with the LBW decision. But, then again, what batsman does?
Hampshire 46-3, target 75
James Adams and Sam Northeast have put on 25 for Hampshire's fourth wicket, which looks like being a match-winning stand.
Northeast has been the standout batsman in the match.
Hampshire need 29 runs to win, Somerset don't sound quite so buoyant in the field now.
Surrey 36-2, Worcestershire 336
Image source, Getty ImagesAfter the shock of those two early wickets, Surrey have steadied the ship against relegation battlers Worcestershire.
England new boy Ollie Pope (19) has so far helped England wannabe Rory Burns (13) share 32 for the third wicket.
Only another 364 runs to go for Surrey to go to lift the title - assuming Somerset lose at Southampton. They would have to reach that mark inside 110 overs to claim maximum batting points. It won't be done today. But it might now be tomorrow!
Hampshire 45-3, target 75
Are Hampshire out of the woods?
Not quite yet, but James Adams finds the rope to put them onto 45-3 against Somerset.
The hosts are just 30 runs of victory - another flurry of wickets needed to change things.
Notts 177 v Essex 227-9
Simon Harmer has made his way to 42* and Essex have a lead of 50 runs at Trent Bridge.
Could the defending champions snatch a second batting point? Notts are looking a bit miffed at how their day has gone so far.
Warwickshire have made progress after their delayed start at Grace Road agains Leicestershire.
Having made a 2pm start following a lost morning due to rain, the Division Two leaders have moved on from their overnight 190-3 to 250-4 (and two batting points) for the loss of only Jonathan Trott for 42. Sam Hain is on 30, with Tim Ambrose also looking set on 18.
As for their promotion rivals, Middlesex are fighting back against second-placed Kent in their second innings at Lord's. The hosts have reached 168-7, a lead of 137 runs with three wickets remaining.
As for third-placed Sussex, they were bowled out for 122 by Durham at Chester-le-Street, to lead by only 19. Chris Rushworth's 8-51 were his best match figures since his career-best 9-52 four years ago - when he took 15 wickets in the match against Northants on the same track, in 2014.
Even better for Durham, their openers Cameron Steel and Alex Lees are now doing better second time around on 55-0.
They are also playing after a delayed start at Sophia Gardens, where Jack Taylor and Ben Charlesworth have so far put on 64 to help Gloucestershire lead, replying to the 137 made by Glamorgan.
But after rain at Wantage Road, prospects look bleak. Derbyshire were halted on 118-4 against Northamptonshire, with Alex Hughes still there on 74.
Hampshire 41-3, target 75
The pendulum swings back towards Hampshire.
It's short and wide from Craig Overton and Sam Northeast puts it away for four.
Hampshire now needing 34 runs to win in Southampton.
Hampshire 37-3, target 75
It's a play and a miss from Sam Northeast, who tries to drive a very wide ball through the off side.
The Hampshire batsman getting caught in the moment there.
Jamie Overton is bowling a great over for Somerset, without reward.
Yorkshire 209 & 6-0, Lancashire 252
Yorkshire are batting again at Headingley - with a 43-run deficit.
But Adam Lyth soon starts eating into that with his first boundary off Tom Bailey.
41 overs left in the day. Still a way to go until tea.
Hampshire 34-3, target 75
Sam Northeast plays one straight down the ground, not even leaving his crease, and finds the boundary.
Hampshire up to 34-3, 41 runs away from victory over Somerset.
Suddenly the hosts are the ones looking a bit more comfortable.
Alex Winter
BBC Radio Northampton sport
BBC Radio Northamptonshire's Alex Winter clearly thinks it's over for the day at Wantage Road in the Northants-Derbyshire game . . .
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Hampshire 28-3, target 75
You can hear the chatter in the Somerset field - there's a lot of energy and they believe they can do this.
Jamie Overton takes the ball and looks continue the good work from brother Craig.
Hampshire need 47 runs, Somerset need seven wickets...