Younis Khan and Mohammad Yousuf frustrated England with an unbroken stand of 166 as Pakistan fought back in the third Test at Headingley here Saturday. At stumps on the second day, Pakistan were 202 for two, still 313 runs behind England's first innings 515 and needing a further 114 to avoid the follow-on.
Younis though was 64 not out and Yousuf, dropped on five, 91 not out after Pakistan had collapsed to 36 for two.
Earlier England's Ian Bell scored his third hundred in as many Tests, the Warwickshire right-hander making 119 and relegating Kevin Pietersen (135) to an unfamiliar supporting role in an interrupted stand worth 141.
In reply, Pakistan - 1-0 down in the four-match series - lost two wickets for two runs in 10 balls before their experienced third-wicket duo held firm on a slowing pitch which was making life increasingly hard for England's quicks.
Younis and Yousuf added 42 runs in the first six overs after tea.
But Yousuf, who scored a double century in the drawn first Test at Lord's, edged several deliveries through the slips.
And left-arm spinner Monty Panesar, who took five for 72 in England's innings and 120-run second Test victory at Old Trafford, saw Younis - on 36 - survive a huge lbw appeal after he missed his arm-ball.
But a Matthew Hoggard no-ball completed a hundred partnership in 111 balls.
Yousuf then drove Hoggard, on his Yorkshire home ground, for three to go to a 58-ball fifty with six fours before a single off Panesar saw Younis to the landmark in 79 balls with eight fours.
And Yousuf regally drove Harmison's first ball from around the wicket to the extra-cover boundary.
Salman Butt and Taufeeq Umar, playing his first match of the series, had put on 34 - Pakistan's best opening partnership in three Tests.
Hoggard, wicketless at Old Trafford, struck when Umar (seven) was caught behind by wicket-keeper Chris Read, in for the dropped Geraint Jones, who took a good diving catch to his left.
Butt (20) was then run out by Pietersen's direct hit from gully after Younis set-off for a tight single.
And Pakistan were almost 42 for three when Yousuf edged Harmison to third slip Paul Collingwood, who dropped a low chance off the fast bowler.
Bell was the first England batsman since Allan Lamb against the West Indies in 1984 to score hundreds in three consecutive Tests in the same home series.
The 24-year-old made 100 not out at Lord's and 106 not out in Manchester.
He was eventually bowled by Danish Kaneria, trying to steer the leg-spinner, having faced 206 balls with 12 fours in four-and-a-half hours.
England's total was then boosted by a ninth-wicket stand of 56 in just 46 balls between Sajid Mahmood (a Test best 34) and Harmison (36).
Persevering paceman Umar Gul led the attack with five for 123, although Pakistan's leading four bowlers all conceded more than 100 runs each.
Pakistan, as at Lord's and Old Trafford, struggled without injured quicks Shoaib Akhtar, Mohammad Asif and Rana Naved.
After Lord's, Bell expected to be dropped for Andrew Flintoff but the all-rounder's ongoing absence with an ankle injury gave him a reprieve.
England resumed on 347 for six with Pietersen, who had retired hurt after scoring 104, back at the crease after going off with cramp in his left forearm on Friday.
Pietersen, 26, who had not reached fifty in his six previous Test innings, had ridden his luck.
Bell, 66 not out overnight, had a nervy moment on 80 when he dived back into his crease after Gul deflected Pietersen's drive onto the stumps.
He later on-drove Mohammad Sami for four to complete his fifth Test century and fourth against Pakistan.
South Africa-born Pietersen exited when he lofted Sami to Nazir at long-off. He faced 169 balls with two sixes and 20 fours.

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England 1st Innings (overnight: 347-6)
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M. Trescothick c and b Sami          28
A. Strauss c Younis b Nazir          36
A. Cook c and b Gul                  23
K. Pietersen c Nazir b Sami         135
P. Collingwood c Umar b Gul          31
I. Bell b Kaneria                   119
C. Read lbw b Gul                    38
M. Hoggard b Gul                      0
S. Mahmood b Gul                     34
S. Harmison c Sami b Kaneria         36
M. Panesar not out                    5
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Extras: (b13, lb6, nb11)             30
Total: (all out, 123 overs)         515
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Fall of wickets: 1-67, 2-67, 3-110, 4-192, 5-345, 6-347, 7-421, 8-445, 9-501, 10-515
Bowling: Mohammad Sami 26-1-135-2 (6nb); Umar Gul 29-4-123-5 (2nb); Shahid Nazir 28-7-101-1 (3nb); Danish Kaneria 34-4-111-2; Taufeeq Umar 2-0-8-0; Salman Butt 4-0-18-0

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Pakistan 1st Innings
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Salman Butt run out                  20
Taufeeq Umar c Read b Hoggard         7
Younis Khan not out                  64
Mohammad Yousuf not out              91
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Extras: (lb12, w3, nb5)              20
Total: (2 wkts, 55 overs)           202
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Fall of wickets: 1-34, 2-36
To bat: Inzamam-ul-Haq, Faisal Iqbal, Kamran Akmal, Mohammad Sami, Shahid Nazir, Umar Gul, Danish Kaneria
Bowling: Hoggard 14-1-43-1 (5nb, 3w); Harmison 14-0-60-0; Mahmood 12-3-48-0; Panesar 14-6-25-0; Pietersen 1-0-14-0;
Toss: England
Umpires: Darrell Hair (AUS), Billy Doctrove (WIS)
TV umpire: Nigel Llong (ENG)
Match referee: Ranjan Madugalle (SRI)