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- Essex's Nick Browne hits career-best 255
- Kent's Joe Denly also makes a double ton
- Somerset's James Hildreth makes 166
- Tom Bailey takes five-for for Lancashire
- Use the live coverage tab to select your commentary
Well that's the end of another enthralling day's County Championship cricket in which Essex's Nick Browne (255) and Joe Denly of Kent (206 not out) took the batting plaudits.
There were also centuries for James Hildreth, Dan Lawrence and Michael Lumb, but the batsmen didn't have it all their own way, with paceman Tom Bailey the stand-out bowler after his first five-for for Lancashire.
We will back with you for the third day's play from about 10:40 BST on Tuesday. Have a good evening.
Durham 411 v Lancashire 205-4
Warwickshire 373 v Nottinghamshire 316-7
Somerset 562-7 dec v Yorkshire 127-1
Middlesex 395 v Surrey 134-6
Essex 538-7 dec v Derbyshire 124-2
Gloucestershire 262 & 60-1 v Glamorgan 330
Kent 396 v Northamptonshire 206-3
Worcestershire 491 v Sussex 192-6
The loss of Chris Read for 23 just before the close provided a downbeat ending to the day for Notts, who have collected a third batting point but are 57 runs away from parity with only three wickets remaining.
Skiper Chris Woakes, Keith Barker and Rikki Clarke have each taken two wickets for Warwickshire, while Michael Lumb hit 108 for the home side - his first Championship century since the golden summer of 2013 when he made four.
The loss of all-rounder Graham Wagg with an arm injury, which a later x-ray thankfully showed is not fractured, may have cost Glamorgan an even bigger first-innings lead as it brought a premature end to his partnership with David Lloyd, who later fell for 99.
Gloucestershire lost Chris Dent cheaply, but Cameron Bancroft (35*) is only six runs short of his highest score in what has been an underwhelming season so far, and Graeme van Vuuren (22*) helped him play out the final 12 and a half overs. They will start day three just eight runs behind.
Sussex are only eight runs short of a batting bonus point, but they are a long way away from getting back onto an even footing with Worcestershire in the match after ending day two at New Road 299 runs adrift, with six first-innings wickets gone.
Every Worcestershire batsman bar last man Jack Shantry made double figures and their bowlers have maintained a disciplined approach to restrict the flow of runs for the visitors. Sussex skipper Ben Brown was 49 not out at stumps, with Ollie Robinson on nine.
"With two days to go, I am starting to wonder how either side is going to get themselves in a position to win this.
"The wicket is very flat and not offering much to the bowlers. However runs have been slow to come for Lancashire, perhaps a result of them being reduced to 21-2 after 12 overs, thanks to the bowling of James Weighell and the slip catching of Ryan Pringle.
"Teenage opener Haseeb Hameed plugged away tenaciously for four and a half hours to make 74, before a change of pace from leg-spinner Scott Borthwick saw him bowled leg stump towards the close of play, as Lancashire closed 206 behind.
"In the morning session, Durham captain Paul Collingwood became the sixth player in this round of matches to get himself out in the 90s as he fell for 97."
Ben Foakes (22*) and Tom Curran, who has yet to score, blocked out the final few overs for Surrey, who are 261 behind with only four first-innings wickets remaining.
Spinner Ollie Rayner took 3-44 for Middlesex, who got within touching distance of 400 earlier in the day, thanks to a last-wicket stand of 68 between Toby Roland-Jones (448) and Tim Murtagh (24).
Yorkshire opener Adam Lyth emerged from a lean spell with an unbeaten 80 at Taunton, an innings including two sixes and nine fours so far.
However, the defending champions need him to bat well into day three, which they will start 435 runs in arrears following James Hildreth's superb 166 for Somerset, the 37th first-class hundred of his career.
Essex opener Nick Browne has dominated this match thus far and his monumental innings of 255 means Derbyshire face an uphill struggle to avoid having to follow-on at Chelmsford.
They with start day three 414 behind, with Hamish Rutherford 28 not out and Wayne Madsen on seven, and they can take comfort in the pitch still looking good for batting.
Josh Cobb (19*) and Richard Levi (11*) play out the last few overs and collect Northamptonshire's first batting point in the process, but Kent have the upper hand after two days at Wantage Road.
Joe Denly's career-best 206 not out was the cornerstone of Kent's first-innings and the home side could rue Alex Wakely and Jake Libby both reaching the 80s and then getting themselves out with loose strokes. Northants trail by 190 with seven wickets remaining.
Lancashire pick up their first batting bonus point as Steven Croft steers Durham paceman Brydon Carse to the third man boundary. Croft moves on to 29, but teenage opener Haseeb Hameed goes for 74 after a stand of 77, bowled by leg-spinner Scott Borthwick.
Batsmen are shutting up shop now and playing for tomorrow, but Sussex's Matt Machan doesn't make it as he falls lbw for 36 to Worcestershire's Brett D'Oliveira at New Road. The visitors are 172-6, 319 behind, and facing the prospect of a heavy defeat unless someone can dig in and play a major innings.
Northants opener Jake Libby follows skipper Alex Wakely's lead and falls in the 80s, when a hundred was just over the horizon. His downfall means new batsmen Richard Levi faces a tricky mini-innings to the close. That is keeper Adam Rouse's 22nd dismissal of the season, the most in the Championship.
This has definitely been Middlesex's day at The Oval and the dismissal of Jason Roy means they are into the lower order with Surrey still 266 in arrears.
Glamorgan are going to miss injured Graham Wagg from their attack, but Harry Podmore makes an important breakthrough as Chris Dent is brilliantly caught at slip. Gloucestershire need another 46 before Glamorgan's lead is wiped out.
Suddenly wickets are coming with a bit of a clatter. Somerset finally separate Yorkshire's openers as Alex Lees goes for a patient 33, made from 122 balls. Will Rhodes is next man in, joining Adam Lyth, who is on 66.
Notts have it all to do now to achieve something like parity on first innings as Michael Lumb departs, caught at slip, having hit 20 fours in his 193-ball innings.
Ravi Bopara is brought into the attack by Essex and does the trick with his third delivery, bowling opener Chesney Hughes. Derbyshire are the small matter of 447 in arrears as Wayne Madsen joins Hamish Rutherford.
An error of judgement by Northants skipper Alex Wakely as he chases a wide one from Calum Haggett and edged to the keeper when a century was his for the taking. His second-wicket stand with Jake Libby added 156, and Libby remains on 70 not out, with Jake Cobb new to the middle.
An important wicket for Warwickshire as Samit Patel attempts to pull, but only succeeds in edging to slip. Michael Lumb is still there on 106 as Chris Read comes to the crease.
Michael Hogan goes for a fourth-ball duck and that's it for the Glamorgan innings with Graham Wagg still away having his arm x-rayed. A lead of 68 is less than they might have hoped for when Wagg (55) and David Lloyd (99) shared a century stand, but it could still be a handy one if their bowlers can nip two or three out before the close.
BBC Radio Wales
"So close to a second century inthree matches for Glamorgan's all-rounder David Lloyd as he mixed early patience with aggression against the new ball.
"His knock was a welcome tonic for Glamorgan after his century stand with Graham Wagg was broken when Wagg was taken to hospital for an X-ray on his arm, but Lloyd drove Craig Miles to point as he looked to complete his hundred."
Haseeb Hameed flicks Brydon Carse to the mid-wicket boundary to reach a 128-ball fifty. The 19-year-old opener looks well set, but the Red Rose county need him to go on to a big score in this situation.
BBC Radio Nottingham commentator
"Michael Lumb has become the third centurion in the match at Trent Bridge. The Nottinghamshire batsman reached his 20th career ton from 156 balls, having hit 19 fours.
"Bright and breezy in the early stages, he reached his 50 from just 48 balls but then got bogged down, taking an hour to move from 72 to 74. The feat comes on the sixth anniversary of his ICC World T20 win with England."
A big moment for 18-year-old Aaron Beard as he takes his first County Championship wicket by knocking out the off stump of Derbyshire's captain to end an opening stand of 65 with Chesney Hughes. Beard recently picked up five wickets in the tour game against Sri Lanka, earning him his chance in the Championship side.
BBC Hereford & Worcester
"Four wickets in the afternoon session including two in the last three overs before tea have put Worcestershire in a good position.
"Ed Joyce and Chris Nash had 58 on the board before Ed Barnard bowled the former for 58 and Jack Shantry then tied down the batsmen with a fine spell, conceding only seven runs in eight overs, before Matt Henry struck to remove Nash for 31.
"Luke Wells top edged a six and then tried to repeat it, holing out to Shantry at fine leg, and Joe Leach had two in two overs as he trapped Taylor lbw off the last ball before tea."
Graham Onions deserves that wicket, having just had a confident lbw appeal against Haseeb Hameed turned down. Alviro Petersen's downfall ends a stand of 104 with the young opener, who is still there on 43. Onions has figures of 1-0 from 10.3 overs so far.
It's been a bit of a lean spell for Adam Lyth following his season-opening 119 against Hampshire. Since then he has made 15, 19, 8, 0, 4 and 13, costing him a chance of an England recall, but things are looking brighter today. He has a six and six fours to his credit in a half-century opening stand with Alex Lees at Taunton, and 43 not out to his name.
Surrey lose their fourth wicket straight after tea as Steven Davies departs. Middlesex opt to go with seam from both ends as Ollie Rayner, the star of the afternoon session, is given a break.
BBC Radio Wales
"Worrying news from the Glamorgan dressing-room is that Graham Wagg has been sent for an x-ray after being struck on the forearm by Gloucestershire's Craig Miles.
"Any break could hardly come at a worse time just 10 days before Glamorgan start their T20 campaign, and with Wagg currently topping their Championship averages."
"Haseeb Hameed certainly looks the part for Lancashire and has helped his team out of a pickle on day two at the Riverside.
"After being reduced to 21-2 by some fine James Weighell bowling, Hameed set about launching a recovery operation with Alviro Petersen and they have put on 94 runs in 29 overs for the third wicket so far.
"The opener has 43 while Petersen has reached his third half century of the season and is on 54.
"Weighell saw off Karl Brown for seven and Luke Procter for one, both the victims of great catches at third slip from Durham's Ryan Pringle."
Joe Leach strikes a vital blow with the last ball before tea at New Road as he dislodges New Zealand's Ross Taylor, having previously had Luke Wells caught at fine leg. Matt Machan is three not out, but Sussex face a big task here to avoid the possibility of following on.
BBC Coventry & Warwickshire Sport
"The first-innings honours are still in the balance after Notts went into tea 161 runs behind Warwickshire.
"Warwickshire's bowlers did well to rein Notts in after openers Steven Mullaney and Michael Lumb had taken the scoring rate to more than four an over.
"Jeetan Patel has begun to find some turn, so the third and fourth innings of this match could be fascinating."
BBC Radio London's Kevin Hand:
"Ollie Rayner led the way for Middlesex with three wickets in the afternoon session, including two in an over, and topped off by claiming Kumar Sangakkara.
"The Surrey openers admirably defied the challenge of Toby Roland-Jones and Tim Murtagh, who had earlier countered with the bat in a fine last-wicket stand of 68.
"But it was the introduction of Rayner, who found bounce and turn, that increased the pressure and brought back memories of his 15-wicket haul on this ground three years ago."
BBC Radio Wales
"Attritional stuff during the afternoon session as Glamorgan's sixth-wicket pair of David Lloyd and Graham Wagg dug in against the old ball, with timing difficult to find.
"Chris Cooke (30) holed out hooking at Craig Miles just after lunch to leave Glamorgan 167-5 with the first-innings lead in question.
"But Lloyd and Wagg put together a century stand before Wagg had to retire hurt after being struck, apparently on the arm."
BBC Radio Derby's Dave Fletcher:
"Openers Billy Godleman and Chesney Hughes were still there at tea for Derbyshire - but the away side are 501 behind Essex.
"Both played a missed a couple of times in a tricky 12-over spell, but were largely untroubled with Godleman on 19 and Hughes on 17.
"The talk around the County Ground remains the career-best 255 from Essex's Nick Browne, who shared in three century partnerships during his impressive innings."
Durham 411 v Lancashire 115-2
Warwickshire 373 v Nottinghamshire 212-4
Somerset 562-7 dec v Yorkshire 48-0
Middlesex 395 v Surrey 68-3
Essex 538-7 dec v Derbyshire 37-0
Gloucestershire 262 v Glamorgan 294-6
Kent 396 v Northamptonshire 126-1
Worcestershire 491 v Sussex 97-4