Jimmy Anderson and Stuart Broad open with the new ball for England. Here's the action from day four down in the Welsh capital.
Anderson and Broad begin the day looking threatening, and it's not long before the first chance is offered. But it's a disaster to start the day for England. Chris Rogers nicks one off Anderson and it flies to Joe Root, who drops it. It's a similar chance to the one he took off Starc in Australia's first innings, but this didn't stick. This is quickly followed by a big appeal on Warner for caught behind off the bowling of Broad. Cook reviews it straight away but there's nothing on Hotspot or Snicko, so Warner survives...
|But finally, England get a deserved wicket and it comes from Stuart Broad. Chris Rogers edges it...|
|David Warner is the danger man whose wicket England so desperately crave. Moeen Ali is brought into the attack but any loose deliveries Moeen bowls are punished by the pugnacious batsman.|
|He smashes Moeen for a 6 then a 4, and it brings up Australia's 50.|
|But after smashing Moeen about, it is the man from Worcestershire who has the last laugh. Warner shuffles across his crease and the ball creeps past his bat to strike him on the pads in front. He goes, LBW for 52. His wicket also signals lunch.|
|The afternoon session begins and Steven Peter Devereux Smith is at the crease.|
|His driven 4 brings up Australia's 100.|
|But soon, disaster strikes. Smith pushes at one outside off stump and edges it...|
|Straight into the waiting hands of Ian Bell at second slip. Smith goes for 33 and Australia are 101-3.|
|Clarke soon joins the party of poor shots as he reaches for one outside off stump...|
|And sends it straight to Ben Stokes at backward point. The Australian captain goes for 4 and it leaves Australia 106-4.|
|It doesn't get much better in the next over either as the procession of Australian middle order wickets continues.|
|Voges nicks one through to Jos Buttler off the bowling of Mark Wood and Australia are 106-5. Mark Wood celebrates like a man possessed, running to his team mates like he's in a romantic film and has just spotted them across a barley field.|
|Who juggles it a bit, then juggles it some more before eventually catching it flat on his back. It reduces Australia to 122-6 and England only need 4 more wickets to win.|
|Johnson comes in and plays positively.|
|He duly smashes Moeen for 6 over the onside.|
|Can you guess how Shane Watson was out?|
|Can you guess what he did next?|
Anyway, Moeen nearly gets another wicket on the stroke of an interval, but Starc and Johnson survive. Australia go into the tea break 162-7, having lost 5 wickets in the afternoon session. Having been 97-2, it is Australia's middle order collapse that has pretty much handed victory to England on a plate.
|The evening session begins and Mitchell Starc, whose highest Test score is 99, plays an absolutely beautiful drive that goes to the boundary for 4.|
|Mandatory use of deface 4/6 card from the England v New Zealand ODI at the Rose Bowl last month.|
|And with Australia's hopes of victory gone to 'very slim', Johnson decides to have some fun. He stands up and punches a four through the off side...|
|And it brings up his 50. He may not have been able to bowl on the pitch, but he's certainly been able to bat on it.|
|It flies to Alastair Cook who can only parry it...|
|And it's caught on the rebound by Root's fellow Yorkie, Adam Lyth.Starc goes for 17 and Australia are 223-8.|
|Josh Hazlewood, another one to be described as 'no mug with the bat' arrives at the crease.|
|He hits Mo for an 'up and over' boundary to show that they're still going to be playing their natural game, no matter what.|
|Down at the other end, Root strikes again and it's the key man of Johnson that he dismisses.|
|Johnson advances down the pitch but gets an edge on it and it goes flying to Adam Lyth at first slip. He takes a very good catch above his head and Johnson has to go for 77. It's a very good knock in vain.|
|And it's all over fairly soon afterwards.|
|Hazlewood looks to hit Moeen but gets his timing all wrong...|
|And he gets caught by that man Joe Root.|
|England are absolutely ecstatic. Australia, crushing pre-series favourites, have been well and truly humbled down in Cardiff. They're all out for 242 and it's a stunning 169 run victory for England!|
A superb win for England and, given the misery of the past year or so, it's a victory that has given the public something to be proud of. It's a quick turnaround for the Lord's Test and Australia will be sweating over the fitness of Mitchell Starc, who was clearly in pain whenever he bowled, despite how optimistic Michael Clarke tried to sound about it. Will yet another Mitchell play at Lord's as Australia decide to finally drop Shane Watson? Will England follow up their emphatic win with an equally emphatic loss, as seems to be their style at the moment?
On both counts, the British nation truly hopes not.