Pakistan go above England in World Cup table
Imad Wasim stars with unbeaten 49 as Pakistan win with two balls to spare
Afghanistan posted 227-9 thanks to stubborn middle order
Afghan and Najibullah both make 42
Shaheen impresses once again, taking four wickets - including two in two balls
Just a reminder, that win means Pakistan leapfrog England into fourth place and the final semi-final slot.
England face the prospect of having to beat India and New Zealand in their final two games to qualify.
Image source, BBC SportIn the end, after a disastrous Gulbadin Naib over that went for 18, Pakistan creeped over the line with two balls left.
Haris Sohail, Sarfaraz Ahmed and Imad Wasim all got reprieves via such average fielding and poor umpiring.
Mohammad Hafeez and Haris Sohail shared 40 before Hafeez tamely hit to backward point.
Imam-ul-Haq and Babar Azam then shared 72 but both fell quickly to leave Pakistan 81-3.
Mujeeb Ur Rahman trapped Fakhar Zaman lbw off the second ball of Pakistan's reply.
Wahab Riaz's yorker dismissed Hamid Hassan for one as Afghanistan limped to 227-9 off their 50 overs.
Najibullah Zadran played well for his 42 before he became Shaheen Afridi's third wicket.
Rahmat Shah fell tamely before Asghar Afghan and Ikram Ali Khil shared 64 for the fourth-wicket but both fall quickly to fell Afghanistan 125-5.
Captain Gulbadin Naib and Rahmat Shah got Afghanistan off to a decent start before Gulbadin was given out caught behind on review.
Hashmatullah Shahidi was out next ball to give Shaheen Afridi two in two.
Right, let's run through the best moments from that thriller.
Mel Jones
Ex-Australia batter on BBC Test Match Special
Hamid Hassan played in Afghanistan's first ever game, their first World Cup win and again today. Him being injured made a massive difference. They will learn from this.
Pakistan captain Sarfaraz Ahmed: "Thank you all the fans, they cheered every ball. It is a great win for us on not an easy pitch.
"We know it was not an easy target. Their bowlers used the conditions very well. Everyone chipped in, it was good team work.
"We all know that it is not easy to win our last four games, we go match by match. We will all be watching India v England tomorrow."
Afghanistan captain Gulbadin Naib: "We fight really well, the boys gave 100% but in the end we missed an opportunity to win the match. Credit to Pakistan, they controlled their nerves.
"We missed again. You can face a lot of these situations, we are working harder and harder. The matches we have lost, we have improved.
"It was bad luck [when I went for 18 in an over]. Hamid Hassan was injured, it was very difficult for Pakistan to chase that total on a turning wicket. It was the turning point.
"We didn't score enough, including myself. To win these sort of matches we need someone to get 80, 90,100."
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Just to take you to Lord's for a minute.
New Zealand have made a good start in their pursuit of 244 to beat Australia and guarantee a semi-final slot. In case you missed it Trent Boult took a hat-trick earlier too.
You can join Tim Oscroft for that one over here.
Ramiz Raja is interviewing Afghanistan captain Gulbadin Naib at the moment.
We'll bring you what he's said shortly.
It is so so noisy at Headingley.
The horns are blaring out.
Here's the moment Pakistan wrapped up a three-wicket victory.