It's all going Birmingham's way now. Hannah Baker bowls one at chest height which Verma slaps for three. It's called a no-ball and the subsequent three hit is crashed for four by Eve Jones

Verma has 44 from 20 balls now. This is her highest score of the tournament so far.

Close! Phoenix 50-0published at 72 balls left

72 balls left

Katie George has already pulled off one of these catches in The Hundred. She tries again, Verma the batter in danger, but can't get there.

That's 25 balls bowled.

The DLS formula, used to decide a game that is rained off, is now in play. The Phoenix are way ahead of the score they need to at this stage. If it rains now and we get no further play, Phoenix win.

Scott Read
BBC Radio 5 Live Sports Extra

This little knock from Shafali Verma has pushed Birmingham Phoenix ahead of where they need to be if Duckworth-Lewis-Stern comes into play at all.

Finally, Shafali Verma has arrived at The Hundred...

Phoenix 46-0published at 77 balls left

77 balls left

Six! There's no stopping Shafali Verma right now. She's beaming, absolutely loving this.

Lauren Winfield-Hill
Northern Superchargers' women's captain on BBC Radio 5 Live Sports Extra

If I was captaining Welsh Fire I'd get the leg-spin of Nicole Harvey into the attack soon. It's a risk but you need to take a chance against Shafali Verma who is playing with the field at the moment. Fire don't have a huge amount of variety in their attack, they need to mix it up, and they have someone who can take it away from a batter like Shafali Verma.

This is what we have waited the whole tournament for from Verma. Hayley Matthews is being whacked to all parts.

Drizzle is falling...

Shafali Verma! With a flick of wrists she adds four more. Brilliant batting.

Lauren Winfield-Hill
Northern Superchargers' women's captain on BBC Radio 5 Live Sports Extra

If you are stood at mid-on or mid-off to Shafali Verma you know you have to be hot in the field. I think it's about executing that slower ball and then hope you get a chance.

I really want to see Welsh Fire's Piepa Cleary bowling to her partner Amy Jones later. Great drama.

Cleary is bowling now and Verma has just clobbered her for another lovely four.

There are some dark clouds looming above the ground. Once 25 balls have been bowled we'll have a result either way, using Duckworth-Lewis-Stern if necessary.

Lauren Winfield-Hill
Northern Superchargers' women's captain on BBC Radio 5 Live Sports Extra

If Birmingham Phoenix lose today it's pretty much over for them. If Welsh Fire win they will still have a lot to do to make the eliminators.

Brilliant on the rope from Katie George who leaps to catch a ball that is flying for six before tossing it back into the outfield - preventing the boundary as she does.

She has her hands on her head, thinking she could have somehow held on to dismiss Verma, but I'd say that is just very good fielding.

Henry Moeran
Commentator on BBC Radio 5 Live Sports Extra

It's got a little cooler here. There's a chilly breeze blowing across the ground. I can see rain in the distance but hopefully, we avoid it.

I haven't even mentioned Eve Jones after those Verma fireworks in the opening few deliveries. The Phoenix left-hander makes an impressive start herself, easing the ball between two fielders for four.

The Phoenix must win this game to stay in contention and they've made a good start to their chase.

Another big swing from Verma and this time it's four. She has hardly scored a run in this tournament but 30 minutes of Verma here and the game could be over.

Lauren Winfield-Hill
Northern Superchargers' women's captain on BBC Radio 5 Live Sports Extra

Shafali Verma has only got one method and that's to be aggressive. She'll look to be that way from ball one. It's interesting to go with spin against her first up, as she tends to be even more aggressive against spin.