Zuber darts inside from the right and fires a wild effort high and wide from 25 yards.
Brown is booked for kicking the ball away after the referee had blown his whistle.
90' +1
Three minutes of stoppage time are added on as Northern Ireland continue to drop deeper and deeper.
89'
Switzerland are pushing hard for a winner as we approach stoppage time.
87'
Widmer also walks off to be replaced by Lotomba.
86'
M. Aebischer enters the game and replaces D. Zakaria.
J. Jones enters the game and replaces S. Lavery.
J. Lotomba enters the game and replaces S. Widmer.
Lavery departs for Jones after a superb display leading the line for Northern Ireland.
Switzerland make two more changes. The first sees Zakaria make way for Aebischer in midfield.
85'
Lavery tries to drive through the Swiss defence again, but this time Akanji is there to halt his progress on the edge of the box.
83'
Cathcart knocks Zuber's dangerous cross behind, presenting Switzerland with a corner. Vargas whips it in, but McCann is there to glance clear at the near post.
81'
Freuler's 25-yard strike is charged down by McCann.
78'
McCann gets to the byline and drills in a low cross that Elvedi hacks behind, prompting roars of encouragement from the home crowd.
Minute
Description
77'
A. Zeqiri enters the game and replaces H. Seferović.
Seferovic makes way for Zeqiri up top.
74'
G. Saville enters the game and replaces J. Thompson.
Thompson is replaced by Saville in midfield.
73'
McCann trips Wider 25 yards from goal, presenting the visitors with a promising free-kick. Rodriguez steps up to take, but harmlessly places it straight at Peacock-Farrell.
68'
D. Charles enters the game and replaces C. Washington.
Smith is replaced at right-back by Bradley.
Washington makes way for Charles up top.
67'
C. Bradley enters the game and replaces M. Smith.
66'
This is still delicately poised as we enter the final 25 minutes. Switzerland have enjoyed the majority of possession without creating too much; while Northern Ireland have been restricted to attacking on the break. With both teams hoping for a win to boost qualification chances, we could be set for a thrilling climax.
64'
Smith's cross falls to Davis on the edge of the box, and he tumbles after colliding with Steffen. The referee is unmoved though, and play continues.
60'
The second change sees Frei depart for Steffen in midfield.
59'
S. Zuber enters the game and replaces C. Fassnacht.
R. Steffen enters the game and replaces F. Frei.
Switzerland make two changes as they search for an opening goal. The first sees Fassnacht make way for Zuber in attack.
55'
Lavery has been threatening for Northern Ireland today, and he looks like their best chance of grabbing a goal.
53'
D. Zakaria gets yellow.
Lavery races past Zakaria near the touchline and all the midfielder can do is bring him down and take a yellow card.
52'
Thompson swings in a free-kick that Cathcart nods back across goal. However, Akanji is well placed to smash the loose ball away.
48'
J. Lewis gets yellow.
Lewis is booked after tripping Vargas near the right-hand side.
46'
Switzerland get the second half underway.
45' +1
HALF TIME: Northern Ireland 0-0 Switzerland
45'
One minute of stoppage time is added on.
44'
Brown just about manages to limit another Switzerland attack as he pokes the ball away from Vargas inside the box.
42'
Northern Ireland are hanging on as we approach half time.
38'
Lewis scuffs in a low cross that evades everyone until Rodriguez hacks it clear at the back post.
36'
Well, that was a let-off for Northern Ireland. They gifted Switzerland an opportunity to take a crucial lead, and the visitors managed to waste it.
33'
Penalty saved by B. Peacock-Farrell!
SAVED! Seferovic steps up and plants a tame penalty down the left and Peacock-Farrell guesses the right way, and pushes it to safety!
Seferovic will be disappointed with that penalty. He made a weak contact on the ball; and the placement wasn't much better - it sailed at a comfortable height for Peacock-Farrell who was able to make the save!
28'
Lavery's looking like the hosts greatest danger currently. Lavery drives directly at the Switzerland defence again, but Elvedi just about manages to contain him.
24'
M. Smith gets yellow.
Smith lunges in late on Zakaria and earns himself a yellow card.
22'
Rodriguez searches for Seferovic with a long ball forward but it drifts harmlessly through to Peacock-Farrell.
20'
Switzerland look a little rattled after the last 10 minutes. Northern Ireland have displayed their threat on the break and from set-pieces, and the visitors have tightened up slightly in response.
18'
Smith's dangerous looping cross is headed clear by Akanji.
16'
Frei is shown a yellow card after clattering Thompson near the centre-circle.
15'
F. Frei gets yellow.
13'
Freuler clips a neat ball over the top in search of Fassnacht, but Cathcart is there to cut it out.
11'
The hosts are growing into the game! Another attack ends with Widmer anxiously heading Ballard's cross away.
8'
Switzerland have started well. They're enjoying all the possession and have got in some threatening areas - the hosts will have to defend stoutly if they're to survive this spell.
6'
A neat interchange sets Freuler free inside the Northern Ireland box, but his cutback is intercepted by Brown.
4'
Rodriguez drills in a low dangerous cross, but Cathcart hooks it clear.
2'
Widmer halts Thompson's enterprising run down the right flank, and the ball trickles behind for a goal kick.
1'
Northern Ireland get the first half underway.
Welcome to our live text coverage of the World Cup 2022 qualifier between Northern Ireland and Switzerland at Windsor Park.
Northern Ireland enter this match on the back of successive victories as they followed up a 4-1 qualifying win in Lithuania with a 1-0 friendly triumph against Estonia. Ian Baraclough's men are fourth in Group C, three points behind second-placed Switzerland.
NORTHERN IRELAND (3-5-2 ): Bailey Peacock-Farrell; Danny Ballard, Craig Cathcart, Ciaron Brown; Michael Smith, Alistair McCann, Steven Davis, Jordan Thompson, Jamal Lewis; Conor Washington, Shayne Lavery.
SUBS: Djibril Sow, Jordan Lotomba, Renato Steffen, Andi Zeqiri, Ulisses Garcia, Michel Aebischer, Sandro Lauper, Yvon Mvogo, Gregor Kobel, Fabian Schar, Steven Zuber, Cedric Zesiger.
SWITZERLAND (4-3-2-1): Yann Sommer; Silvan Widmer, Manuel Akanji, Nico Elvedi, Ricardo Rodriguez; Remo Freuler, Fabian Frei, Denis Zakaria; Christian Fassnacht, Ruben Vargs; Haris Seferovic.
SUBS: Tom Flanagan, Kyle Lafferty, Niall McGinn, Shane Ferguson, Jordan Jones, Dion Charles, Gavin Whyte, Conor Bradley, George Saville, Conor Hazard, Alfie McCalmont, Trevor Carson.
The players are emerging from the tunnel and kick off is just seconds away!
The hosts did well in the opening half hour before losing their way slightly. In a crucial game - that they most likely have to win to qualify - Northern Ireland will need to step things up in the second half.
That's all for now though, goodbye!
The result means that Northern Ireland climb to third - three points behind second-place Switzerland.
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