Pakistan survive tricky late spell to reach 21-0
England recover from 145-5 to end with 50-run first-innings lead
Classy Brook hits third century in three Tests (111 off 150 balls)
Foakes offers support with steady 64 off 121 balls
Stokes run out after mix-up with Brook
Pope hits 51 before being bowled by Abrar
Nauman removes Duckett for 26 & Root (0) in consecutive deliveries
Image source, Getty ImagesIt has been another absorbing day of Test cricket.
All of the best reaction and analysis is below. Stephen Shemilt's match report is here.
That has all of the details of another memorable Harry Brook hundred. He's making quite a name for himself.
We'll be back at 04:30 GMT on Monday to see which way this match turns next.
Andy Zaltzman
Cricket statistician on Test Match Special
Only five previous players have scored three centuries in their first four Tests in the history of Test cricket: George Headley, Arthur Morris, Mohammad Azharuddin, Conrad Hunte and Sunil Gavaskar.
Brook has also scored 480 runs in his first four Tests.
That is currently the second most for England in the first four Tests after Ranji in the late 19th century with 518.
Image source, Getty ImagesEngland batter Harry Brook, speaking to Sky Sports: "It's been a good day for us today. We tried to put it back on them and get a bit of a lead. It would have been nice to have got a couple of wickets tonight but I'm sure we will go hard at them tomorrow.
"There's quite a bit of rough at both ends of the pitch and it is starting to break up, it is so dry and cracked. So hopefully that keeps on happening and we can get a bit of spin and it keeps low.
"Everybody knows how are going to play our cricket. We proved that over the summer and out here in Pakistan. This pitch is probably slightly lower than the ones in the first couple of Tests so we have had to go about it slightly differently, with not as many cross-batted shots."
Vic Marks
Former England spinner on BBC Test Match Special
It's going to be hard work for England tomorrow. But they have three days to get the game moving again. It's topping up to be a fantastic series out here.
Image source, Getty ImagesOllie Pope played well for his 51 earlier in the day before he got a beauty from Abrar Ahmed.
That was a ball that turned and bounced from the leg-spinner but things haven't been quite as dangerous since.
Ben Foakes dug in for important 64, sharing an important stand of 117 with Brook.
Mark Wood also added 35 and Ollie Robinson 29 which gave England a first-innings lead of 50.
Vic Marks
Former England spinner on BBC Test Match Special
Brook was terrific. To be involved in a run-out with one of your best players [Ben Stokes] is tough.
I think this was his best century so far. It wasn't as dynamic but the score was close and he was involved in a mix up and despite it still got his century.
Foakes did really well too. His effort was very valuable.
Image source, Getty ImagesEngland were in trouble at times today.
They were 58-3 and 145-5 - well adrift of Pakistan's total of 304.
Harry Brook stood up, however, with a brilliant hundred. It was his third in three Tests here in Pakistan and might have been his best given the circumstances.
Daniel Norcross
BBC Test Match Special
We've had a great day of cricket. England have a slender lead and we have a riveting contest on our hands.
Trail by 29
That is that for today.
This Test is tantalisingly poised.
Swept riskily from in front of the pad! It's four but England won't mind that being played off the penultimate ball.
Three balls have been blocked by Shafique. Three remain.
Stokes brings in another catcher...
Shafique 10, Masood 3
Rehan Ahmed's final ball of the day almost skids low under Shan Masood's bat. He's done well to hit that.
One over remains.
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The four dismissals of Christmas. On the second day o’ the Test Match, the England team bowled out: 4 catches pouched, 3 leg befores, 2 out clean bowled… And the run out of Benjamin Stokes
Dave in Otley
Pakistan are playing for the close now. Shan Masood defends.
Two overs remain as the last bit of direct sunlight peaks through the stands.
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Almost an edge! It wasn't Ahmed's best ball - in truth it was short and wide - but there was a little bit of turn.
Stokes applauds his 18-year-old spinner.
A bowling change!
Young Rehan Ahmed is coming into the attack...
Trail by 40
I don't disagree, Ryan. Then again, I also would have ended in a sweaty, nervous mess if I was captaining in the previous Test so maybe we should trust Ben Stokes.
Leach beats Shafique's edge with one that turns slowly.
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Surely we should have Wood in whistling it past their ears and testing out their toes? This will be turning square tomorrow and the quicks won't get much out of the ball.
Ryan, Malta
After three overs of blocking, Pakistan decide they want to put a little bit of pressure back on these England spinners. Abdullah Shafique whips Joe Root and then Shan Masood prods a few more.
There are only five overs left in the day. Given England are bowling the spinners it may be that which comes first before the 12:30 GMT cut off.