Fire 63-5published at 65 balls
A rare boundary to end the set there.
Fuller overpitched that and du Plooy drilled it straight back over his head for a one-bounce four.
Brave cruise to nine-wicket win - Stirling cracks unbeaten 74 off 42 balls
Welsh Fire recover from 1-3 to post 129-8
Garton took three wickets with first seven balls of game
Du Plooy top-scores with 37 off 25 and Critchley adds unbeaten 32 off 19
Coming up on Tuesday: Oval Invincibles v Birmingham Phoenix (women's at 15:00 BST and men's at 18:30)
Michael Beardmore and Anurag Hegde
A rare boundary to end the set there.
Fuller overpitched that and du Plooy drilled it straight back over his head for a one-bounce four.
Welsh Fire's innings got off to the worst possible start with George Garton reducing them to 1-3 within the first seven balls.
Southern Brave are in such a comfort zone here that Jake Lintott is exchanging banter with Carlos Brathwaite via the player mic in between bowling his set.
Every chance we could see the Fire dismissed for the lowest ever total (87) in The Hundred here.
They're five down and can't afford to take any risks. It's going to be all about knocking it around.
Alison Mitchell
Cricket commentator on BBC Two
That is seriously disappointing for Joe Clarke. They were just building a partnership.
Clarke run out (de Kock) 17 (Fire 52-5)
Things keep going from bad to worse for the Fire. Clarke was just starting to find his groove and he runs himself out.
He nudged it gently into the off side and his partner du Plooy had already run through before Clarke was even quarter of the way down.
Nice throw back to the bowler and Clarke is well short after Quinton de Kock's neat throw to the bowler's end.
Confusion and Clarke might be run out here. Yes, he's well short of his ground.
Chris Jordan
England & Southern Brave bowler on BBC Two
In the last five to 10 balls, Fire have been that bit more aggressive.
Trying to shift the decisions onto James Vince.
Alison Mitchell
Cricket commentator on BBC Two
They've got a couple boundaries away so they are just building.
It's up to these two now to get them up to a total they think they can defend.
We're halfway through and the Fire have just tottered to 50 themselves.
It's been a real struggle to say the least.
We did see the Brave women defend just 122 earlier though so that'll give the Fire some hope.
#bbccricket
Sportingbadger: Just how are Welsh Fire so bad? All of their players are objectively good, but they just can't play together...when you're stuck in a rut, I guess....
Chris Jordan
England & Southern Brave bowler on BBC Two
Awesome shot from Joe Clarke.
In and among all the commotion, he's managed to hold his composure.
If you're just joining us then you would've just witnessed the Fire strike only their second boundary of the innings.
The Fire need a massive turnaround though if they're going to get a competitive total on the board.
If you've seen the scorecard, you'll know Garton ripped apart the Fire's top order. Here's how he did it.
Where do the Fire go from here? Presumably they try and play it safe so that they bat out the 100 deliveries.
Whether they can manage to though is another matter altogether.
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Thumbs up if you think the Fire are going to end up with the lowest ever total in The Hundred. Thumbs down if not.
Chris Jordan
England & Southern Brave bowler on BBC Two
Two ways to go about it now for Welsh Fire - pick a bowler, target him and try to counter-attack or they can be a lot more defensive.