Image source, Getty Images

He might not be moving at full capacity but Joe Root is still able to welcome Abrar Ahmed back to the attack by whipping the leg-spinner through mid-wicket for four.

Steven Finn
Former England fast bowler on BBC Test Match Special

Joe Root looks like a man who doesn't have the energy to get fully back in the crease or move his feet properly. He just stands there and hits down on the ball, not offering any chance for the mid-wicket fielder.

Lovely bit of business that, Chris.

Speaking of which, Joe Root finds the boundary for the 11th time in the innings with a superb pick-up shot through the leg side.

The deficit is now exactly 100 and closing fast...

Andy Zaltzman
Statistician on Test Match Special

We have now registered 1000 runs in this game and a 200-run partnership from just 40.1 overs - pretty much at five an over.

Play and a miss from Harry Brook as Shaheen Afridi gets the ball to bounce from just back of a length.

Brook is unfazed, though, and smokes a drive through the covers for four next ball. Glorious.

And that brings up the 200 partnership.

Probing over from Naseem Shah, who has found some movement both through the air and - remarkably - off the pitch with this new ball.

As a result Harry Brook sees a couple skew off the inside half of his bat, one such instance brings him a single, before Joe Root gets two through the leg side to end the over.

Rare encouragement for the bowlers in this match, though.

Ramiz Raja
Former Pakistan captain on Test Match Special on BBC Sounds

Image source, Reuters

Shaheen Shah Afridi needs to find the hard length. He's pitching the ball up hoping it will curl back into the stumps, but it has not happened at all.

The over from Naseem Shah was impressive, so Afridi has to manage some discipline with the new ball from his end.

It's Shaheen Afridi again with the new ball and Joe Root fancies driving him as well.

The timing isn't as immaculate as in the last over and the fielder cuts the ball off just shy of the rope but Root hobbles through for three.

Russell Moore: Obviously Root and Brook are both cramping in the heat, but as the camera panned to the dressing room for Brook's 100 I wonder how Jamie Smith is? Can you get cramp from serious pad rash in this heat?

Simon Mann
BBC Test Match Special commentator on BBC Sounds

Pakistan team are sitting down during the drinks break and you don't normally see that. It's just an indication of the tiredness out there.

Thanks, Matt.

It's all gone rather well for England today, hasn't it?

With an hour and 10 minutes - or thereabouts - remaining in the day, they are 122 runs behind Pakistan's first innings total.

How close will they be by stumps? With a few more shots like Joe Root's in the last over, they could certainly be within striking distance.

That boundary was Root's 10th in this innings. That tells you how much running he has had to do in the heat. No wonder he looks so red in the face.

Here's a timely drinks break for England's former skipper. It gives me time to hand to Sam Drury too.

Aatif Nawaz
BBC Test Match Special commentator on BBC Sounds

We've seen some gorgeous shots today from Joe Root, but that might be the single best one from him.

He barely celebrates by raising his bat half-mast, but it's a bigger celebration than the one he gave for becoming England's all-time leading run-scorer.

150 for Joe Rootpublished at 86.2 overs

86.2 overs

He just goes on and on and on.

Joe Root drives Naseem Shah for four to notch his latest landmark.

Soham Sarkhel
CricViz analyst

Harry Brook now has five centuries in six away Tests and is averaging over 100 in them. He has as many away Test hundreds as Nasser Hussain (49 away Tests), Graham Gooch (44), Michael Vaughan (37), Marcus Trescothick (34), Jonathan Trott (27), and Ben Stokes (57) to name a few.

Anyone foolishly expecting the new ball to hoop around corners would be mistaken.

Shaheen Afridi looks stiff as he makes his way through the over.

Ramiz Raja
Former Pakistan captain on Test Match Special on BBC Sounds

What is happening right now is that Pakistan are in a tough situation. What happened against Bangladesh wasn't a great recall moment after they got over 500 runs and declared the Test only to lose it.

Their batting in the second innings has been woeful and England will want them to feel that pressure again on day four by declaring by or before tea and get them in to bat.

New ball - Eng 427-3published at 85.2 overs

85.2 overs

Two balls into the over Pakistan do take the new ball.

Game back on? I'm being hopeful, I know.