England post 221-3: Brook 81* (35), Duckett 70* (42), Jacks 40 (22)
Brook & Duckett hit maiden T20 international fifties in unbroken stand of 139 off 69 balls
Pakistan make 158-8 in reply as Shan Masood hits unbeaten 65 off 40 balls
Mark Wood takes three wickets in first game back from injury
England lead seven-match series 2-1
Thanks, Tom.
Wow. What a partnership that was between Duckett and Brook - 139 from 69 balls - to take England to a mammoth total.
Still, after what we saw from Babar Azam and Mohammad Rizwan yesterday, it would be brave to say that 222 is too many for Pakistan to chase down.
Image source, BBC SportEngland looked in a good spot at the halfway stage yesterday but ended up on the losing side after an extraordinary Pakistan chase.
They have gone even bigger this time, so can the hosts repeat the trick? Here is Sam Drury to guide you through their reply.
Image source, Getty ImagesEngland debutant Will Jacks on Sky Sports: "It's a moment that I've worked very hard for and dreamt of my whole life. What a place to make my debut, the crowd have been amazing and I've been buzzing the whole night.
"The pitch is similar to the last two games, low and skiddy but once you get in, it's nice to bat on. Pretty happy with my innings and then what a partnership from the guys at the end - it was pretty special.
"The way Babar and Rizwan played last night, no score is out of reach. We've got 20 more than last night but we've got to get one of them out. It should be a good chase."
#bbccricket
Jambarrell: Obviously Stokes should come into the team but as an all-rounder not a batter - his batting record in T20 isn't so great. Harry Brook looks less a bolter and more a shoe-in for the World Cup here!
Ian Comer: Harry Brook is a world-class operator in white-ball cricket. If anybody leaves him out of an England first white-ball XI, I want the equivalent of a Strauss review as to why!
Aatif Nawaz
BBC Test Match Special commentator
England have equalled their fifth highest total in T20 cricket.
An outstanding performance from England with the bat. They have put on a remarkable partnership.
Image source, BBC SportBen Duckett helps the ball into the leg-side and England can scramble two to reach 221-3 at the end of their 20 overs.
Harry Brook is unbeaten on 81 from 35, ably supported by Ben Duckett who hit 70 from 42 - their partnership worth 139 from 72 deliveries.
It means Pakistan need 222 to win.
More good running as England push for two - and get two.
Ben Duckett will face the last ball...
Aatif Nawaz
BBC Test Match Special commentator
Brook demonstrating field awareness, playing tactically and hitting yet another boundary.
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Harry Brook has one of the best lofted cover drives I've ever seen.
Matt, London
Gorgeous! Harry Brook plays a ramp shot over the wicketkeeper's head for four.
The Pakistan players are shaking their heads. They look powerless to stop him.
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Haris Rauf bowls the final over - and that's good running.
Ben Duckett chops the ball down to the floor in front of him but Harry Brook races in from the non-striker's end to get home.
Aatif Nawaz
BBC Test Match Special commentator
England are looking at a monster total here.
Beautiful delicate late cut from Harry Brook sees the ball go fine for four.
Brook has raced onto 75 from just 32 deliveries.
Tough night for Shahnawaz Dahani - he goes for 0-62 from his four overs.
Aatif Nawaz
BBC Test Match Special commentator
Straight as an arrow! What a way to bring up 200 for England. A remarkable innings.
Harry Brook just stop it!
He has played the straightest of straight drives and the ball has flown over Shahnawaz Dahani's head for another six to bring up England's 200.
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Cor, Harry Brook looks a bit special. Not seen many with his talent come through since Joe Root. He's got a bit more power in his locker than Root too.
Simon, Watford
Clinical.
It is almost casual from Harry Brook as he takes a step back to give himself some room before placing the ball perfectly through the gap in the off-side for four.
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Great shot!
Ben Duckett watches it all the way as he plays a pull shot with the ball right in front of his helmet and it flies away for four.