Latest: Pakistan 208-8 (49.2 overs); England 204-9 Pakistan win by two wickets with four balls to spare after a grandstand finish.
England put up a poor total on a good track after showing desperate immaturity with the bat.
Andrew Flintoff (39) and Vikram Solanki (36) both got out when well set while Shoaib Malik took 3-26.
The visitors made a good start with Mohammad Hafeez top-scoring with 69.
James Anderson led the England comeback, finishing with 3-59, but Pakistan always held the upper hand and won through at the death.
All the action:
50th over: Razzaq scores the winning run off Clarke's second ball.
49th over: Vaughan miss-fields at extra cover to give Razzaq a single and level the scores. Anderson keeps Sami tied down for the rest of the over.
48th over: Clarke comes on to bowl, but his radar is off and he sends down a wide. He recovers to bowl a tight over, but his final ball is swiped to the boundary by Sami.
47th over: Solanki makes a brilliant diving stop at backward point to keep Sami on strike, before the tailender scrambles a single off the next ball.
46th over: Razzaq cuts Gough for four and after a single another wicket falls. Mahmood is out for 16 as his attempted hook is caught by Troughton.
Pakistan 194-8
45th over: Anderson traps Latif lbw with an inswinging yorker.
Pakistan 188-7
44th over: Gough's slower ball is spooned to mid-off by Malik and Pakistan lose a sixth wicket.
Pakistan 181-6
43rd over: Mahmood drives Anderson over mid-on for six - the finest shot of the day - and that will finally relax Pakistan.
42nd over: Malik drives Flintoff through a gap in the off-side all along the ground for four. He finishes with 0-23.
41st over: No magic from Anderson in this over.
40th over: Flintoff's ninth over is another tight one, but only 45 are needed off the last 10 overs.
39th over: Anderson drops short and Malik carves him away for four. But a slower ball fools Hafeez into giving a simple catch to Clarke at mid-wicket.
Pakistan 158-5
38th over: Flintoff is fired up and has two big shouts for lbw.
37th over: Younis is bowled through the gate by a sublime Anderson ball. The bowler still has six overs left after this one.
Pakistan 139-4
36th over: Youhana is run out following a brilliant piece of work from Vaughan, who turns and throws at the bowler's end.
Pakistan 139-3
35th over: Giles finishes off, having taken 1-29 in his 10 overs.
34th over: Solanki misses a great chance of a run-out, before Youhana drives Gough through the covers for four.
33rd over: Giles concedes just a single, having finally switched to round the wicket.
32nd over: Hafeez, who now has his best score in ODIs, pulls Gough for four.
31st over: Hameed's quiet innings comes to an end as he lofts Giles over mid-on, only for McGrath to sprint back and take a spectacular catch.
Pakistan 116-2
30th over: Gough is back into the attack but there's nothing left in the pitch or the ball to inspire him.
29th over: Hafeez brings up his fifty with a simple flick off his pads for a single off Clarke.
28th over: Hafeez brings up his fifty with a simple flick off his pads for a single off Clarke.
27th over: The 100 comes up as Hafeez approaches the first half-century of the match.
26th over: These young batsmen are showing the right level of patience here, happy to tick over the strike with the odd single.
25th over: Vaughan is on now, and is getting some turn, but bowling a little too straight.
24th over: Clarke provides a few more easy runs - Pakistan ticking along nicely now.
23rd over: Three more runs come off Giles's latest over.
22nd over: Clarke is driven through the off-side by Hameed for his first boundary.
21st over: Giles continues to pose the odd problem, but should try switching to round the wicket.
20th over: Clarke drifts onto the leg-side to give away three easy singles.
19th over: A good over from Giles causes the batsmen some trouble.
18th over: Clarke's first ball in ODIs brings him a wicket - Nazir tries to cut one that bounces a little extra and Solanki at cover takes the catch.
Pakistan 60-1
17th over: The first boundary in a while as Hafeez drives Giles through the covers for four.
16th over: Trescothick drops an absolute sitter at mid-on.
15th over: Giles is doing his bit, but hardly looks like getting a hat-trick.
14th over: Flintoff is still economical, but Pakistan can afford him to be.
13th over: Giles is on and Anderson misses a great chance of a run out, throwing to the wrong end.
12th over: Flintoff continues and there's still no joy for England.
11th over: The first ball of Anderson's second spell is driven straight for four by Hafeez. The last is steered through the covers for another fine boundary.
10th over: Gough bowls another fine over - the problem is, he only has five left and England do not yet have a wicket.
9th over: Nazir collects a single off the last ball of Flintoff's over.
8th over: Gough over-pitches a fraction, and Hafeez drives him effortlessly through mid-off for four.
7th over: Hafeez cuts Flintoff uppishly for four.
6th over: Hafeez gets off the mark with a single on the on-side off Gough.
5th over: Flintoff replaces Anderson and also bowls a maiden.
4th over: Gough bowls a maiden.
3rd over: Nazir smashes an Anderson half-volley through the covers for four and pulls him square on the leg-side for another boundary.
2nd over: Nazir drives Gough off the back foot for four.
1st over: Anderson's first ball is a wide in an over costing four runs in all.
England: V Solanki, M Trescothick, M Vaughan (capt.), J Troughton, A McGrath, A Flintoff, C Read (wkt), R Clarke, A Giles, D Gough, J Anderson.
Pakistan: Rashid Latif (capt), Mohammad Hafeez, Imran Nazir, Yasir Hameed, Yousuf Youhana, Younis Khan, Abdul Razzaq, Shoaib Malik, Azhar Mahmood, Mohammad Sami, Umar Gul.