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
It's a huge ask for Gloucestershire to win from here.
They need another 147 runs, from 14 overs, but have already lost Michael Klinger, Hamish Marshall and Ian Cockbain.
Can someone else step up for the hosts and produce a thrilling comeback?
Gloucestershire 33-3 (4.5 overs) v Durham 180-5
Image source, Getty ImagesIt's a massive moment in this match! Michael Klinger is gone. Gloucestershire's real danger man....he's out for just 18!
He smacked four, four, six....but is out next ball, caught by Michael Richardson.
Could that prove to be the decisive wicket of this quarter-final?
Graeme van Buuren finds a couple of tidy fours but this run rate still isn't great, is it? Eight from the over.
Four dot balls from Mark Wood in the over, who has figures of 2-9 from his two overs so far.
The hosts add five runs from their third over as Michael Klinger finds the first boundary.
They've got a lot of work to do though. Durham are in the driving seat.
Gloucestershire 6-2 (1.6 overs) v Durham 180-5
Mark Wood has a second wicket in his first over and it's a big one! Big-hitting Ian Cockbain is out for a duck.
Keaton Jennings is there with the catch again, absolutely loving life so far at mid-wicket.
It's all going wrong for Gloucestershire so far in this reply...
Gloucestershire 6-1 (1.4 overs) v Durham 180-5
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Oh no! That's not the start Gloucestershire had in mind. Durham are delighted! Hamish Marshall is gone for four.
Hamish Marshall takes the hosts up to 5-0 in the first over, bowled by Chris Rushworth.
A run rate of 9.26 is required from here onwards. Don't go anywhere, folks. This should be fascinating.
Durham 180-5 (20.0 overs) v Gloucestershire
So, opener Mark Stoneman top-scored with 61 for Durham. His 96-run partnership with Keaton Jennings set up that innings nicely.
But is 180-5 going to be enough to see them through to the semi-finals?
Well, over to you, Gloucestershire...
Durham (20.0 overs) v Gloucestershire
There's no hat-trick for Matt Taylor, but it was a pretty useful final over, as he took two wickets and conceded only sevens runs. Paul Collingwood came in and added six of those seven, from the final two deliveries.
It's Durham third-highest T20 score of the season. They've posted 180-5.
Durham 173-5 (19.2 overs) v Gloucestershire
Michael Richardson goes for 37, caught by Michael Klinger off the bowling of Matt Taylor.
Then Hamish Marshall gets his third catch of this innings, as Ryan Pringle goes for a golden duck!
Taylor is on a hat-trick...
One over remains of Durham's innings. Michael Richardson is on 37, from 20 balls. The visitors will be pleased with how the night is going, for sure.
Matt Taylor bowls his third over of this innings and concedes seven runs.
Durham's 20 overs are coming to an end soon.....how big a target can they set for the hosts to chase?
Another over, another six. Michael Richardson has 27 from 12 balls faced and is batting very confidently.
Michael Richardson hits too sixes in an over, swinging hard and true, to really help the run rate tick along.
Gloucestershire's Tom Smith hasn't enjoyed that whatsoever. Richardson got right under those two. 16 runs are added in the over.
Benny Howell bowls a relatively economic over and Durham's run rate has really slowed since losing Mark Stoneman and Keaton Jennings, having looked so good at the halfway point.
Durham 117-3 (13.6 overs) v Gloucestershire
Jack Burnham is gone - Hamish Marshall takes another catch and, just like the wicket of Mark Stoneman, it came immediately after a big six.
Gloucestershire are recovering and really coming into this now. The score looks a lot better for them now than it did 10 minutes ago.
Durham 107-2 (12.3 overs) v Gloucestershire
That's a beauty! Andrew Tye clean bowls Keaton Jennings, who had hit 36 from 30 balls.
That was a useful knock for Durham but it ends abruptly with a fine delivery from Tye.
Gordon Muchall is now coming in at number four, to join Jack Burnham in the middle for Durham.
Durham are still ticking along nicely. Will they be unsettled by losing Mark Stoneman?
Their cause has been aided by five wides...
Dureham 96-1 (10.5 overs) v Gloucestershire
We have a breakthrough! The 11th over isn't when Gloucestershire will have wanted to find the night's first wicket..... but they're relieved to finally get one.
Benny Howell has his 24th wicket in the T20 Blast this season as Mark Stoneman - immediately after smacking a massive six - is easily caught at long-on by Hamish Marshall. A simply catch to end a solid innings from Stoneman.
The first half of Durham's innings has seen them avoid losing any wickets and they've put a fine 81 runs on the board.
Gloucestershire look a bit frustrated. The atmosphere in the home stands is very flat.