Surrey continued their unbeaten run in the Vitality Blast with victory over Gloucestershire, taking two wins from two.
Details of Sunday's Vitality Blast action as Chris Benjamin led a Bears fightback against Durham, while reigning champions Kent suffered their third straight defeat.
Harry Brook's sensational start to the season continued as he hit 72 before falling to the final ball as Yorkshire tied with Lancashire.
Paul Stirling smashed 34 runs in an over during a 46-ball hundred for Birmingham against Northamptonshire in the Vitality Blast.
Harry Brook continued his electric form, while defending Vitality Blast champions Kent lost to Somerset as the T20 tournament got under way.