Simon Harmer takes 6-75 as Essex beat Warwickshire by 188 runs at Chelmsford to go top of the Division One table.
Yorkshire crush Somerset by an innings and 73 runs to dent their ambitions of a first-ever County Championship title.
Kent settle for a draw on the final day at Hampshire after calling time on a tricky run-chase in the final hour.
Durham beat Worcestershire by 109 runs at Chester-le-Street as seamer Chris Rushworth ends with match figures of 10-67.
Audio & Video
Ex-England opener Marcus Trescothick shares his cricket memories with BBC Points West after announcing he will retire.
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How to get into cricket
How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.