Northern Diamonds are content to accumulate in the latest Paige Scholfield over, until Sterre Kalis slices the final delivery to third man for four. It was uppish but there was no-one stationed in the slips.

What that out? Hollie Armitage is lured down the pitch by Charlotte Taylor, fails to make contact and Carla Rudd whips off the bails.

It's a near thing, but TV replays suggest Armitage managed to get a spike or two back behind the line in time.

Three added to the Diamonds score in the over.

Diamonds 65-1published at 12th over

12th over

Armitage 23, Kalis 7

Southern Vipers continue to ring the changes as Paige Scholfield takes up the attack.

Her introduction prompts Hollie Armitage to launch the game's first maximum over mid-wicket.

The final ball of the over is a yorker, and Armitage only just manages to dig it out,.

Southern Vipers passed 50 in the 13th over of their innings - so Northern Diamonds are ahead of the game in that regard as Sterre Kalis cuts Charlotte Taylor's opening delivery for four.

She is fortunate two balls later as an attempt to repeat the stroke sees a thin edge go through the gloves of keeper Carla Rudd.

Hollie Armitage steps down the track to the final ball of the over and hammers past mid-off for four,.

Maia Bouchier needs to tighten up her line as she gives away three wides down the leg-side. When she finds the right line, she keeps Hollie Armitage tied down.

Lauren Bell continues and is only inches away from a caught and bowled as Hollie Armitage fails to get on top of an off-drive. A wide follows and a single to Armitage, but it's a tidy over.

A lofted boundary by Hollie Armitage ends the over for Northern Diamonds - they need someone to anchor the innings like Georgia Adams did for the Vipers earlier in the day. She could be that person.

Lauren Winfield-Hill collects two with a flick to fine leg and is then gifted free runs as a throw by Maia Bouchier ricochets off the stumps at the bowler's end and runs away for two overthrows.

Vipers coach Charlotte Edwards, wrapped up in a coat, has a stern expression as her side strive for a first breakthrough.

Lauren Bell strays from a good line as four leg-byes are added to the Diamonds total.

Maia Bouchier is doing her bit in the field for Southern Vipers - another fine stop prevents Lauren Winfield-Hill finding the cover boundary.

Winfield-Hill's placement is better later in the over and the ball flies past Bouchier's left hand for four,.

Lauren Bell strikes Lauren Winfield-Hill on the pad and appeals - but the umpire says it is missing leg stump.

After a loose swish outside off-stump fails to make contact, Winfield-Hill clips away through mid-wicket for four.

An anxious moment for :Lauren Winfield-Hill? Maybe not.

She pushes to mid-off and sets off for a single, but just makes her ground as Tara Norris breaks the stumps from Georgia Adams' throw,.

Hollie Armitage drives with authority but a sprawling save by Maia Bouchier restricts her to a single.

Opening partner Lauren Winfield-Hill began the competition with 72 for Northern Diamonds, and she will want another decent score here after being freed from the England 'bubble' for this final.

She has no scope for expansive strokeplay as Lauren Bell is right on target for the rest of the over.

Left-armer Tara Norris bustles in from the other end - she took 12 wickets in the group stage of the Rachael Heyhoe Flint Trophy.

She also finds some swing and the Diamonds can only asdd a couple of singles to their score.

Alex Hartley
England spinner on BBC Radio 5 live Sports Extra

England's Lauren Winfield-Hill is under way as she tucks the ball away off her pads for a single.

"We've had ice cream on what may be the coldest day of the year," summariser Alex Hartley tells BBC Radio 5 live Sports Extra as Hollie Armitage drives through the covers for four.

Armitage adds a single to fine leg to complete a useful start for the Diamonds.

So what can Northern Diamonds make of this run-chase?

We are about to find out, with skipper Lauren Winfield-Hill and Hollie Armitage the opening batters.

The tall figure of Lauren Bell will open the bowling - and she starts with a wide.

Image source, Rex Features

It's fair to say that Dutch international Sterre Kalis went from one extreme to the other during the Northern Diamonds progress to the final.

Three successive ducks - innings lasting a grand total of seven deliveries - would leave most batters feeling shaken AND 'Sterred' - unlike James Bond's vodka martinis.

But the 21-year-old is clearly made of 'Sterrener' stuff as she bounced back with two successive half-centuries.

An innings of 87 against Central Sparks was followed by a match-winning 55 not out against Thunder in their final group game - and hers could be a key wicket later on if Southern Vipers are to lift the trophy.

They are still on the mid-innings interval at Edgbaston where Southern Vipers made 231 all out after being put in by Northern Diamonds.

As the sound of Elbow plays out over the PA system, Here are a few of the main wickets which fell during the Vipers innings.

Image source, PA Media

If you're wondering what is going on at Lord's, Essex are 88-3 in their run-chase to win the Bob Willis Trophy final.

Somerset have picked up the key wicket of Sir Alastair Cook for 31 and Dan Lawrence and Paul Walter are now together in the middle.

You can follow the progress of that game by clicking here.