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Ben Sanderson takes hat-trick but Warwickshire rally to beat Northants by just two wickets
England's Zak Crawley out fourth ball as Kent slump to 63-5 chasing 168 to beat Notts
Middlesex defy Lancashire at Old Trafford as they hang on for a draw on 160-3
Ex-Lancs skipper Dane Vilas, due to leave at end of the season, completes his final game
Jaydev Unadkat takes six wickets as Leicestershire lose by 15 runs to Sussex in Hove thriller
Sam Northeast finishes on 166 not out as Glamorgan draw with Yorkshire in Cardiff
Gloucestershire and Derbyshire draw in the other Division Two game in Bristol
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Lancs 413 v Middx 194 & 8-0
80 overs left in the day's play.
Four slips in for Tom Bailey and Sam Robson is off the mark first ball with a drive through long off for four.
Will Williams bowls round the wicket to Mark Stoneman, who also gets off the mark with a boundary.
The Middlesex opener seizes on width outside off and punches the ball between point and mid off.
Yorkshire 500, Glamorgan 273 & 201-2
Glamorgan now trail Yorkshire by only 26 runs.
The Tykes have tried things, including four overs of Jonny Tattersall, but they have found no breakthrough.
Eddie Byrom (95) and Sam Northeast (77) are both looking very comfortable.
Sussex v Leicestershire 302-5 - target 499
Ben Cox sweeps James Coles away to the fine leg rope for four to bring up the 300 and more importantly take the runs required total down to 197.
They couldn't, could they?
Lancs 413 v Middx 194 & 0-0
Middlesex need to bat out the day. Only Lancashire have enough time to force a victory here.
Tom Bailey will bowl to Sam Robson, who is opening the innings with regular Middlesex batting partner Mark Stoneman.
Kent 446, Notts 265 & 181-7
Brett Hutton dabs a single into the offside to avoid the hat-trick and spoil a double-wicket maiden.
It also means the scores are level so Kent will have to bat again.
How many they need will be decided by the final three Notts wickets.
Nathan Gilchrist makes it a duel-pace attack with the fresh cherry at the other end.
Glos 377 & 49-0 v Derbys 403
Gloucestershire are moving up a gear here in terms of run rate, but it's hard to imagine a declaration.
Shot!
Chris Dent had 14 off 37 balls and now he's down the track to Mark Watt, lofting the left arm spinner down the ground for six.
The fifth ball is reverse swept behind point for four.
Northants 250 & 53-0 v Warwickshire
Kent 446, Notts 265 & 180-7
Calvin Harrison goes first ball, thumped on the pads by Michael Hogan who has a five-fer.
42-years-old. 5-23 in his 14th over.
Brett Hutton will face...
Kent 446, Notts 265 & 180-6
The fourth ball of the first over after taking the new ball and Michael Hogan has a four-fer.
Lyndon James nicks to Jack Leaning who takes a low grab at second slip.
That stand of 102 could be vital but Notts still trail by one with four wickets remaining.
Calvin Harrison joins Joe Clarke who has 63 from 173 runs.
Lancs 414 v Middx 194
Jayant Yadav was the leading wicket taker for Middlesex in that innings.
His wicket of Tom Bailey gives him figures of 5-130 in 32.5 overs.
Lancs 414 v Middx 194
It's all over. Lancashire lead by 219.
Luke Wood is castled, swinging across the line.
Realistically, Middlesex need to bat out the day for a draw.
Kent 446, Notts 265 & 178-5
Underway at Canterbury where Lyndon James has added a single to take this partnership with Joe Clarke to a round 100.
They still trail by three runs and seem intent to bat time rather than taking risks seeking to set a challenging target.
Lancs 411-9 v Middx 194
Tom Bailey is the new batter for Lancashire and his innings ends in three balls.
His first ball is reverse swept through point for four, but Jayant Yadav gets him two balls later with a very full, flighted ball that rips out middle stump.
Will Williams is the last batter for Lancashire.
Sussex v Leicestershire 289-5 - target 499
Rehan Ahmed has been put down off James Coles at short leg on one. A sharp chance, but a chance nonetheless.
Sussex are trying to finish this off with the old ball, for now.
Sussex v Leicestershire 289-5 - target 499
Two in four balls for Jack Carson with the oldest ball imaginable. Incredible.
Umar Amin is agonisingly short of a first Foxes century as he plays inside one which turns and looks like it hits him on the back leg infront. No arguments.
Sussex nerves have disappeared.
Rehan Ahmed and Ben Cox have 210 runs to find to secure victory.
Lancs 405-8 v Middx 194
A gem of an innings comes to an end.
George Bell has played superbly (and selflessly) for his team this morning, trying to hurry the scoring rate along.
Jayant Yadav again pushes the ball out wide of off stump.
This one barely lands on the cut strip. George Bell is down the track at full stretch to swat the ball through cover and misses.
Plenty of time for John Simpson to pick up his second stumping of the innings.
Glos 377 & 18-0 v Derbys 403
Sedate scoring here from Gloucestershire. Not surprising given how much time was lost before today, particularly on day three.
Sam Conners spears a ball into leg and Ben Charlesworth picks up his third boundary with a clip in front of square for four to move on to 16.
Sussex v Leicestershire 288-4 - target 499
A standing ovation for Colin Ackermann as he trudges off after being bowled by Jack Carson just four balls before the new ball was available. He has dragged on as he leaned back trying to cut his 22nd boundary of a superb innings.
What a priceless breakthrough for Sussex
The partnership of 188 with Umar Amin is broken.
Lancs 402-7 v Middx 194
Tom Hartley takes Lancashire to 400 and a fourth batting point driving through cover but he's gone three balls later.
Jayant Yadav tempts him with width outside off.
A swing and a miss - and that's a comfortable stumping by keeper John Simpson.
Handy knock though. A run-a-ball 22.
Luke Wood is the Lancashire number nine.
Lancs 398-6 v Middx 194
Scott Read
BBC Radio Lancashire
"They've rattled along quickly, Lancashire. They're giving it plenty."