England were still without a 50 stand when Root went short of his own half-century, edging a cut behind off young leg-spinner Shadab Khan.
Umpires Marais Erasmus (South Africa) and Rod Tucker (Australia) led both set of players onto the field in good conditions.
The ICC Champions Trophy 2017 semi-finals have been decided.
Instead of bludgeoning runs in the middle section of the innings, England allowed pressure to build and, despite Stokes hanging around until the final few overs, he failed to find the boundary. "It was a team no one gave a chance, neither here nor back home", added the 30-year-old wicket-keeper, whose 61 not out was key to the victory over Sri Lanka.
Earlier, Pakistan seamers dished out a superb bowling effort to finish the England innings in 49.5 overs at the Sophia Gardens.
"One of the huge contributing factors towards topping our table and playing very good cricket in the group stages is that we've stayed true to what we believe in and what's worked for us the last couple of years, and I think that's the continued formula for the future", the Middlesex batsman told reporters after the game. Junaid Khan rapped him on the pad and Pakistan sent it for review after Marais Erasmus said not out. "India also come into the final with momentum behind them but it will be a much closer match this time around".
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"We've got to keep the same drive that we've had over the last 18 months so that when that World Cup does come round, we're in the best shape possible to contend for that final".
But the real damage was done when England collapsed to 211 all out after Pakistan captain Sarfraz Ahmed won the toss on a used pitch that played more like a sub-continental surface than a British one.
Hasan Ali, one of the heroes of Pakistan's ascent to the final, kept sleeping on the long journey to the British capital where Pakistan arrived on Thursday for the first time in this tournament.
Hasan's 3-35 against England was his eighth three-wicket haul in 20 ODIs.
While Bangladesh is underdogs in this match but we can not underestimate their performances in the last few years. It may have been nerves, but mostly "the skill, variety and verve of Pakistan's fast bowlers proved to be too good for England's batsmen, who were confounded by a mixture of reverse-swing, yorkers, bouncers and slower balls". We knew if we restrict them we could easily chase it down.
Pakistan required just 4.23 from the onset to upset the hosts and Zaman made his intentions clear in the first over of the chase by hitting James Ball for a six.
"This is what I envisioned for Pakistan, a team that can take up any challenge and fight back like they mean it", Inzamam Ul-Haq tweeted.
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