Essex v Somerset, Notts v Glamorgan and more: county cricket, day three – live

Updates from 11am BST start across the grounds
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Not too much to report from OT this morning, apart from an increasingly ominous sky. Jimmy Anderson winds up for his first over of the day from the JA End. Derbys 248-3 trail by 103.

Something of a tall order, but an opportunity for Asa Tribe to do a Ben McKinney.