Close of play at Chester-le-Streetpublished at 17:54 British Summer Time 4 September 2023
Durham 422-5 v Sussex 266
A very productive day for the Division Two leaders who score 416 runs for the loss of five wickets, led by centuries from Alex Lees and Graham Clark, and lead by 158.
Lees' 103 was his fifth hundred in the Championship this season and Clark is 102 not out at the close, having added 159 with Bas de Leede (71).
Jack Carson sent down 26 overs of off-spin for figures of 3-121, while Jaydev Unadkat marked his Sussex debut with the wicket of David Bedingham.