Yorkshire beat Essex by 25 runs
Essex bowled out for 234
Fisher & Bresnan take Yorkshire to 259-7
Ballance & Leaning fifties help Yorkshire recover from 45-4
Yorkshire face Hampshire in the semis on Monday
Kent beat holders Notts Outlaws by nine wickets
Kuhn hits 124* as Kent race to 257-1
Notts posted 255-8 thanks to Mullaney (90) & Fletcher (53*)
Kent visit Worcs in semi-final on Sunday
Wheater 40, Coles 1
Adam Wheater shows cuteness to pick up a boundary, gliding a reverse shot for four. Beautifully crafted at a tough time.
Yorkshire's Karl Carver with a mixed stint there, eight runs and a wicket.
Image source, PA
Harmer b Carver 9 (Essex 138-7)
Simon Harmer chops a bottom-edge onto his own stumps and Essex are staring at their One-Day Cup exit barring a miracle.
The collective groan from the crowd says it all. Karl Carver carves Essex up.
Image source, Rex FeaturesWheater 35, Harmer 9
Steven Patterson close to an lbw shout on Simon Harmer. Mind you, Harmer was quite far down the pitch and it would probably have sailed well over the stumps.
More discipline from him, some good running adds a few more to Essex's tally. Not going quickly enough.
Essex need 8.2 runs an over to win... eek.
Wheater 32, Harmer 7
Simon Harmer enjoyed all variations of fortune there. Dot ball, then the ball squirted off the edge of his bat and to safety, with some hard running eaking out two runs.
He then fizzed a ball to the boundary to finish the over. Is the fightback on?
Wheater 30, Harmer 0
Essex Eagles have had their wings clipped by the Yorkshire Vikings, who continue to plunder wickets on a regular enough basis.
Simon Harmer, who had Yorkshire's batsmen squirming during his stint with the ball, gets an early taste of his own medicine.
Adam Wheater is carrying the innings now. He's desperate for the strike.
Image source, Rex FeaturesZaidi b Patterson 13 (Essex 123-5)
Steven Patterson makes it three wickets for 25 runs when he sends another ripper down the pitch and Ashar Zaidi seemed to lose the flight of it, it plunged into his stumps and sent him on his way.
Six down now... is that the resistance over? The tail needs to wag big time!
Wheater 30, Zaidi 13
Wheater comes forward and drills a Ben Coad ball through the covers. Morale-boosting stuff.
It's a rare flicker of light and delight for Essex as the field again does its stuff.
Suffocating from Yorkshire.
Essex 121-5
Essex will have been happy with the first half of the game.
They'll be less happy with their start to the chase.
You can watch the five wickets that have fallen below...
Wheater 25, Zaidi 11
Yorkshire's iron-curtain field not giving Essex much change, even when they manage to splice the field.
Steven Patterson racking up the overs, this is his sixth, and he keeps the pressure on.
Both Ashar Zaidi and Adam Wheater are getting their bat on things, but that ball is being shied right back at the stumps from the outfield.
Singles ticking over. The run-rate is getting a bit of a kicking at the moment.
Some well earned drinks too. Thirsty work for those batsmen.
Wheater 23, Zaidi 11
Tim Bresnan almost forces a run out after his ball is clipped away by Ashar Zaidi, and Steven Patterson's arrowing throw whips tantalisingly past the stumps. Essex survive again.
They're grasping at every single, however risky it is... both come through just about unscathed from a couple of breakneck sprints.
Bresnan can be happy with his graft there.
Wheater 21, Zaidi 10
Steven Patterson, all streaky of build and floppy of fringe, keeps rumbling in with accuracy, but occasionally gives Essex a sniff of something.
Ashar Zaidi shows good footwork to a loose one, cracking it through mid-on to the rope.
He finally reaches double figures. Slow progress, but they are still there, nudging and nurdling away.
Wheater 20, Zaidi 6
Much like when Tim Bresnan and Matthew Fisher came in for Yorkshire, these two batsmen have been thrown into the deep end to some extent against a tenacious and fired-up bowling attack.
Bresnan sent in a couple of well-placed balls, mixing up the pace, but the temptation to bang one in got the better of him and Ashar Zaidi had a pull at it. Boundary.
The former England man tidies up the next ball. Just the four from that over.
Wheater 20, Zaidi 2
Steven Patterson keeps drifting these balls across the stumps looking to tease something out of the batsmen.
Adam Wheater cracked one for four to polite applause...
He calls in wicketkeeper Jonathan Tattersall to try to profit from some of these awkward deliveries but Wheater showed further ingenuity to paddle one over his head, into the newly created gap for another four.
Essex pass 100. They've metaphorically crawled there.
Wheater 11, Zaidi 1
Some seriously disciplined bowling by Matthew Fisher, ably supported by an energetic and well-positioned field.
Adam Wheater shows some textbook flashes of the bat, and Ashar Zaidi backed up, but just three runs come from the over.
Frustrating stuff, but time is the one thing Essex do have. No time for panic.
Tweet us using #bbccricket
RJ: What will the ECB have lined up next to stop Yorkshire?
They're not doing too badly without their England stars to be fair RJ!
Essex 89-5
Cheers Gary.
Not sure how long we'll have if it caries on like this...
Anyway, Essex still plugging away, Yorkshire growing in confidence.
Wheater 9, Zaidi 0
A wicket-taking over ends for Steven Patterson.
It's the halfway point of this innings, so I'll hand over to Matt Newsum to take you through to the end.
Bopara c Brook b Patterson 8 (Essex 89-5)
Another one goes. That might be that.
Ravi Bopara dances down the track to Steven Patterson, swats him away to the leg side, but Harry Brook dives forward to take a super catch in the deep.
Essex still need 171 runs for victory. Half their side are back in the pavilion.
Bopara 8, Wheater 8
Another over ticks by as right-arm paceman Matt Fisher replaces the spin of Karl Carver.
Just three off it.
Bopara 6, Wheater 7
It feels like this game is at a pivotal stage.
Another wicket for Yorkshire - it could well be game over for Essex.
If Ravi Bopara and Adam Wheater can keep things ticking over until the 40th over - they'll be in with a great shout.