Somerset strengthened their position at the summit of the Vitality Blast South Group with a four-wicket victory over Surrey at Taunton that secured a fourth successive win.

The visitors posted 176 for nine, thanks largely to teenager Will Jacks, who amassed 53 off 31 balls, and the experienced Rikki Clarke (32).

In reply, Somerset recovered from a shaky start to reach 177 for six with five balls to spare, Peter Trego hitting 70 off 54 and Corey Anderson 53 from 31 as their fifth-wicket partnership yielded 104 runs in 10.3 overs.

Their position at the top was helped by their two closest rivals being forced to settle for a point each because of the stormy weather – Kent’s clash with Sussex and Gloucester’s trip to Essex were abandoned.

Colin Ingram led by example as Glamorgan outplayed Hampshire at Sophia Gardens to climb to third place with an eight-wicket win.

An undefeated 71 from the captain earned him the man-of-the-match award and allowed Glamorgan to ease past the visitors’ total of 151 for eight.

Ingram has now scored more runs and struck more sixes than anyone else in the competition since 2016. He cleared the ropes four times during this eight-wicket win.

Matt Parkinson claimed three for 23 as Lancashire beat Birmingham Bears by 37 runs in the North Group to make it back-to-back Blast wins and close in on a quarter-final place.

The Lightning comfortably defended their total of 185 for five, given to them by Karl Brown’s half-century and late-order firepower from Jordan Clark.

Victory keeps Lancashire third in the North Group table while Birmingham’s knockout hopes suffered a blow as they slipped to sixth.

A thrilling century stand between Tom Moores and Jake Libby returned Notts Outlaws to winning ways in their match against Yorkshire Vikings.

Both batsmen registered their highest scores in the competition as the home side posted a 63-run victory at Trent Bridge, ending a run of two defeats in the competition.

Worcestershire fell short of recording a victory that might have guaranteed themselves a home quarter-final as Leicestershire claimed a five-run win.

Elsewhere, three wickets from Chris Rushworth helped Durham beat Northamptonshire by 12 runs at Wantage Road.