Durham reach T20 Finals Day
Four Glos batsman run out
Opener Stoneman hit 61 for Durham
Northants and Notts already through
Glamorgan host Yorkshire on Thursday
Durham 74-0 (8.5 overs) v Gloucestershire
Image source, Rex FeaturesAfter five fours, one six and just 34 balls faced, Mark Stoneman brings up his 50.
Well played, sir. Well played.
After that slight let-off for Mark Stoneman, the visitors move up to 70 without loss at the end of the eighth over.
Benny Howell will bowl the ninth over for the hosts.
Durham 67-0 (7.3 overs) v Gloucestershire
Gloucestershire think they have got a wicket with Mark Stoneman run out, it goes to the third umpire...but the replays indicate the Durham batsman just made it in time. Yes, he was safe by a matter of inches. That was close!
Still we await the first wicket.
When will Gloucestershire find a way through this opening Durham pair?
Kieran Noema-Barnett comes on but has no luck from his first over. Mark Stoneman adds two more boundaries to take his total up to 41 from just 26 balls.
The leading wicket-taker in the T20 Blast comes in. Welcome to the quarter-finals, Benny Howell.
Mark Stoneman edges Howell's fourth delivery past the wicketkeeper for a fortunate four runs. That was only the thinnest of outside-edges!
But Durham's openers have brought up their 50 partnership. They've been solid.
And that is the end of the powerplay.
Australian right-arm pace bowler Andrew Tye comes in to bowl for Gloucestershire. But still no breakthrough.
Durham are up to 39 without loss, with Mark Stoneman on 20 and Keaton Jennings on 16.
The run rate has picked up for the visitors and the home crowd have gone a little quiet - they'd like a wicket to liven things up, from a Gloucestershire point of view.
Mark Jennings collects his first boundary of the innings.
Mark Stoneman brings this innings to life with a couple of boundaries, as Durham take 12 from the third over, helped by a couple of byes.
It's an overcast, but relatively-mild, evening at Bristol. The forecast is for the weather to remain dry this evening, so we shouldn't have any interruptions.
Durham are ticking along slowly and are yet to find a boundary in these early stages.
Gloucestershire's Graeme van Buuren concedes just four runs from the second over.
Durham 2-0 (1.0 overs) v Gloucestershire
As well as reading these words that I type.... you can also choose from either BBC Newcastle or BBC Radio Bristol's live online audio commentary of this match by clicking on the 'Live Coverage' tab above.
You can also listen on your radio if you are in either of the relevant local areas.
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Both Durham openers take a single in the first over, after Matt Taylor had bowled four straight dot balls to start this match.
No major excitement just yet. Durham are two without loss.
It's time for some cricket, let's get straight to the action.
Mark Stoneman and Keaton Jennings are the first men in the middle for Durham.
Matt Taylor is going to open the bowling for the hosts.
Gloucestershire v Durham (18:30 BST)
The visitors Durham won the toss and have elected to bat first.
Here are the teams for this massive game in both sides' seasons:
Gloucestershire: Klinger, Marshall, Cockbain, Howell, J Taylor, M Taylor, van Buuren, Grieshaber (wk), Tye, Smith, Noema-Barnett.
Durham Jets: Stoneman, Jennings, Muchall, Pringle, Richardson (wk), Collingwood, Burnham, Borthwick, Arshad, Wood, Rushworth.
Image source, GettNorthants are already there. So are Nottinghamshire.
But will Gloucestershire or Durham be joining them at this year's T20 Blast finals day?
The South Group winners host the side who finished fourth in the North Group tonight.
This evening's match at Bristol - the third of this year's quarter-finals - gets under way at around 18:30 BST.