Durham 339 (Hastings 72, Shahzad 4-72) and 263 for 4 (Borthwick 97*, Shahzad 4-86) beat Sussex 335 (Robinson 110, Hobden 64*) and 265 (Machan 80, Rushworth 5-81) by six wickets at Chester-le-Street
Northamptonshire 251 (Newton 71, Raine 4-55) and 429 (Willey 88, Newton 58, Kleinveldt 56, Peters 50, Shreck 4-91) beat Leicestershire 305 (Robson 75) and 283 (O'Brien 58, Kleinveldt 4-87) by 92 runs at Grace Road
Middlesex 317 (Voges 98, Gubbins 92, Gregory 6-101) and 405 for 5 (Voges 132, Franklin 115*, Gubbins 78) beat Somerset 408 (Hildreth 187, Trescothick 140, Harris 5-83) and 310 (Hildreth 86, Harris 3-64) by 5 wickets at Taunton Wow - chased 400+ in the 4th innings!!
Yorkshire 303 (Gale 96, Rankin 6-55) and 221 for 4 (Hodd 54*, Patel 3-70) drew with Warwickshire 435 (Westwood 196, Hain 50, Bresnan 5-85) and 219 for 7 dec (Westwood 84, Middlebrook 5-82) at Headingley
Derbyshire 545 for 9 dec. (Guptill 227, Taylor 5-93) and 142 for 3 (Godleman 51) beat Gloucestershire 275 (Roderick 76) and 411 (Roderick 75, Footitt 6-94) by seven wickets in Bristol
Lancashire 444 (Prince 106, Davies 99, Horton 71, Claydon 4-103) and 107 for 1 (Horton 67*) beat Kent 252 (Northeast 55, Jarvis 4-50) and 295 (Denly 60, Jarvis 4-67) by wickets at Old Trafford
Surrey 340 (Davies 81, Napier 3-63, Ryder 3-78) and 95 for 2 drew with Essex 610 for 8 dec (Lawrence 161, Napier 73, Ryder 57, Smith 50*) Daniel Lawrence will not be old enough to vote in next month's general election, but at 17 years and 290 days he has become the third-youngest player in Championship history to score a hundred.
Derbyshire's Billy Godleman has been banned for two matches for throwing the ball in an "inappropriate and dangerous manner" during this week's match against Gloucestershire.
Middlesex 463 (Robson 178, Simpson 58, Voges 57, Compton 50) and 89 (Hastings 5-24, Rushworth 5-38) beat Durham 294 (Jennings 98, Harris 4-69) and 71 (Harris 9-34) by 187 runs at Lords
Gloucestershire 245 (Handscomb 66, Porter 4-59) and 114 for 1 (Tavaré 57) beat Essex 159 (Norwell 4-32) and 199 (Velani 58, Norwell 6-33) by nine wickets at Chelmsford
Worcestershire 402 (Cox 109, Leach 95, Thomas 4-81) beat Somerset 250 (Overton 41, Morris 5-71) and 90 (Shantry 4-15, Morris 4-38) by an innings and 62 runs inside 3 days at New Road
Kent 268 (Denly 87) and 273 for 7 (Shreck 4-75) drew with Leicestershire 386 (Cosgrove 113, Pinner 68) and 196 (Thomas 4-48, Stevens 3-45)
Northamptonshire 385 (Crook 91, Wakely 59, Rossington 57, Peters 56) and 391 for 5 (Crook 102*, Keogh 100, Peters 81) drew with Lancashire 436 (Prince 153, Siddle 89, Kleinveldt 5-99)
Derbyshire have signed New Zealand opening Test batsman Hamish Rutherford as cover for Tillakaratne Dilshan from mid-June until the end of July.
Glamorgan have added to their South African contingent by bringing in Wayne Parnell for the NatWest T20 Blast. Allrounder Parnell will fill the second overseas slot and is initially expected to be available for the first ten of Glamorgan's 14 group games.
Durham 163 (Philander 3-27, Hutton 3-44) and 261 for 4 (Wood 66, Jennings 61) beat Nottinghamshire 245 (Wessels 117, Rushworth 3-52) and 178 (Wood 4-39) by six wickets at Chester-le-Street
Middlesex 269 (Robinson 4-46) and 209 (Magoffin 4-49, Robinson 4-62) beat Sussex 192 and 207 (Yardy 52, Dexter 4-41, Finn 4-51) by 79 runs at Hove
Warwickshire 264 (Hain 82, Leach 6-73) and 321 for 8 dec. (Chopra 107, Wright 61*) beat Worcestershire 149 (Cox 45, Barker 3-43) and 255 (Cox 44, Patel 4-69) by 181 runs at Edgbaston
Leicestershire have completed the signing of Pakistan batsman Umar Akmal for part of their T20 Blast campaign. The 24-year-old will play four games, starting against Northants on 12 June, covering for Grant Elliott when the New Zealander is representing his country against England in the ODI series.