Kent reach first Lord's final since 2008 with two balls to spare
Heino Kuhn's 127 was his fourth century in five One-Day Cup innings
Kent will play Hampshire or Yorkshire in final on 30 June
Worcestershire scored 306-6 after choosing to bat first
Ben Cox hit 122 not out off 106 balls, Ed Barnard 50 off 28
D'Oliveira & Cox shared Worcs record fifth-wicket stand of 140
Kuhn 113, Blake 61
Patrick Brown applies a little pressure as he keeps Kent to six runs in the 46th over, but Worcestershire need wickets now.
Kent can afford to take the singles and wait for the bad balls with the run rate back down below eight an over.
Kuhn 111, Blake 57
Ed Barnard responds with a dot ball, but Alex Blake is back on it as he lashes a fuller ball through extra cover for four.
Barnard's sixth delivery is above waist height and pulled away for a single, but Heino Kuhn can only take two from the free hit which follows.
Kent only need 37 from five overs. Advantage to the Spitfires.
Kent 261-5 - target 307
Alex Blake bludgeons two sixes through the leg-side, the second an absolute rocket that soars out of the ground.
That brings up his 50 from 40 balls with three fours and three sixes.
It's anyone's game out there.
Kuhn 109, Blake 40
It goes down as a single in the score-book, but that doesn't do it justice.
Alex Blake's slog through square-leg looks destined for six, but instead it's caught just inside the rope, only for the fielder to have to let go before he carries it over himself.
10 runs from the over.
Kuhn 104, Blake 36
Lady Luck is just not on Ed Barnard's side.
Alex Blake shifts outside leg-stump, Barnard follows him and gets the ball to ricochet off his leg, only to see it deflect an inch away from the stumps and away for two leg byes.
He follows Blake again as the left-hander once more tries to give himself room, the ball beating Blake's attempted scoop but flying through his legs for four byes.
Jack Shantry
Worcestershire all-rounder on BBC Radio 5 live sports extra
What can you say about Heino Kuhn - four hundreds in five innings which has never been done before.
He could be the man who will spearhead Kent to a Lord's final.
Image source, PAKuhn 101, Blake 34
Just six runs from that Brett D'Oliveira over, brilliant stuff from the leg-spinner.
Ed Barnard will keep the ball at the other end.
Kent 225-3 - target 307
Heino Kuhn pulls leg-spinner Brett D'Oliveira to the boundary rider to bring up his century from 99 balls with one six and seven fours.
Now he just needs to see Kent home and into the final - no easy task given the quality of Worcestershire's bowling today.
Kuhn 98, Blake 31
Alex Blake walks outside leg-stump to smash a ball through extra cover for four, before striking the next ball for six to bring up the 50 partnership from 7.1 overs.
The fifth ball of the over brings a more finessed stroke, Blake opening the face of the bat up to allow Dillon Pennington's delivery to run away to third man.
Pennnington follows up with a wide down the leg-side as 16 come from the over.
Kent are in with a shout now.
Kuhn 97, Blake 17
Ed Barnard was expensive in his first short spell, but he comes up trumps for Worcestershire here.
Only five runs are taken, pushing the required run-rate above 10 an over for the first time.
Kuhn 94, Blake 15
A huge six over long-on from Heino Kuhn - his first of the innings - helps Kent bring up the 200.
Kuhn is seven runs short of his century now, but he's going to have to stick around until the end and up the run-rate even further if the Spitfires are to win this one.
When Heino Kuhn had made 57, he was almost brilliantly caught by wicketkeeper Ben Cox when he attempted a ramp shot. Here's that moment.
Image source, PAKuhn 86, Blake 14
That could have been curtains for Kent.
Heino Kuhn swings at a ball and sends an inside-edge flying perilously close to his stumps.
The South African responds with a much better stroke through the leg-side for four, but only eight runs come from the over once again.
The required run-rate is above 9.5 now.
Kuhn 80, Blake 12
Dillon Pennington has the ball again for Worcestershire, but he can't produce the same magic he summoned in his first spell.
Alex Blake drills him for four runs from his second ball, but he can't cash in again as only eight runs come from the over.
Kuhn 78, Blake 6
Alex Blake survives a run out attempt as the direct hit at the non-striker's end is just late, and he smartly scampers back for a second as Worcestershire's fielders celebrated.
Kent can't keep up the pace through the rest of the over though, only four more coming from the next five balls.
James Taylor
Ex-England batsman on BBC Radio 5 live sports extra
Ben Cox is having a dream day behind the wickets and with the bat.
That was an excellent leaping catch to his right and great work from Callum Ferguson introducing the seamer, changing things up.
Huge wicket for Worcestershire and a big loss for Kent.
Kuhn 75, Blake 3
Daryl Mitchell's figures don't do justice to how well he's bowled.
Only three runs come from his final over, his usual blend of medium pace and spin, as he finishes with 1-43 from 10 overs.
Brilliant bowling from the Rapids man, bringing the required run rate up to 9.13.
Kuhn 74, Blake 1
Heino Kuhn finds the boundary with a flick off his pads which really ought to have been stopped by the fielder at mid-wicket.
The required run rate is still creeping ever higher though.
Stevens c Cox b Brown 10
Great ball, even better catch.
Patrick Brown is brought on for his third over, and with his third ball he gets Darren Stevens to swing the bat at a leg-cutter outside off-stump.
Stevens flashes an edge behind and Ben Cox flies across to snare the ball in his right hand.
Kuhn 68, Stevens 10
Six!
The first of the innings comes courtesy of Darren Stevens, who whacks Daryl Mitchell back down the ground and well over the boundary rope.
Ten runs from the over, much better from the Spitfires.
Image source, PA