Arsenal survive scare to reach round four
Robinson gives Championship side the lead
Ramsey drives in equaliser after half-time
Giroud strikes late from clever Perez backheel
Wenger never lost a third-round tie
Olivier Giroud
And Arsenal have found a knockout punch in the oldest knockout competition!
Lucas Perez with a canny backheel finds his strike partner in the box and Olivier Giroud holds off Greg Cunningham to squeeze home.
Done and dusted?
Preston 1-1 Arsenal
Daryl Horgan's cross is also a little too eager, flying out the back of the box with Simon Makienok waiting.
Preston 1-1 Arsenal
Greg Cunningham lofts the ball into the box, but that is over-hit and clears the lurking lighthouse of Simon Makienok.
Four to go.
Preston 1-1 Arsenal
Five minutes to go.
Is there a winner in this tonight or do we go again in 10 days time or so at the Emirates?
Alex Iwobi's daisycutter is gobbled up by Chris Maxwell in the Preston goal.
Preston 1-1 Arsenal
Danny Welbeck - who spent some time on loan at Preston in 2010 - is thrown into the mix by Arsene Wenger. Off comes Alex Oxlade Chamberlain.
Image source, ReutersPreston 1-1 Arsenal
A promising opening for Preston as Simon Makienok shows good feet for a big man, but then Marnick Vermijl shows poor feet for anyone with a pull-back straight to Granit Xhaka on the edge of the box.
Preston 1-1 Arsenal
New signing Daryl Horgan - bought from Dundalk earlier this month - replaces Daniel Johnson in midfield.
Preston 1-1 Arsenal
Kevin Kilbane
Former Preston & Everton winger at Deepdale for 5 live Sport
The goal looks like it's coming for Arsenal, who are now pushing forward at will. These are dangerous times for Preston North End.
Preston 1-1 Arsenal
Ben Pearson at the centre of more bother.
Alex Iwobi gives away a free-kick as he reacts to Pearson's breath on his neck by shoving the Preston man.
Preston 1-1 Arsenal
Olivier Giroud sweeps home a volley, but is a good yard offside from Lucas Perez's lofted throughball.
He wags his finger at the linesman, but the flag stays raised.
Image source, PAPreston 1-1 Arsenal
Something different for the Arsenal defence to look at. Simon Makienok - a six-foot-six Denmark international - is on in place of Jordan Hugill.
Image source, ReutersPreston 1-1 Arsenal
Ben Pearson has finally pushed Bobby Madley's patience too far.
The Preston midfielder's cynical trip on Granit Xhaka means he has his name taken for a 10th time this season. That total means that there is a ban in the post as well.
Preston 1-1 Arsenal
Kevin Kilbane
Former Preston & Everton winger at Deepdale for 5 live Sport
A great save from Preston keeper Chris Maxwell, who has been excellent today. It wasn't a great corner but Arsenal got a shot off and it was great goalkeeping first to palm the ball up and then catch it on the second attempt.
Preston 1-1 Arsenal
Chris Maxwell flexes his reflexes to get up sharply and claim Shkodran Mustafi's rising half-volley at the second attempt.
A slick short-corner routine from Arsenal that.
#bbcfacup
Allow Twitter content?
This article contains content provided by Twitter. We ask for your permission before anything is loaded, as they may be using cookies and other technologies. You may want to read Twitter’s cookie policy, external and privacy policy, external before accepting. To view this content choose ‘accept and continue’.
App users may need to click on the link.
Preston 1-1 Arsenal
More feistiness.
Olivier Giroud tangles with Tom Clarke off the ball, appeals to the linesman and gets nothing despite the old prayer gesture.
Then Gabriel sees yellow for a blatant hack at his first-half assailant Jordan Hugill.
Image source, ReutersPreston 1-1 Arsenal
Preston goalkeeper Chris Maxwell claims the free-kick as Arsenal ping long into the box.
Preston boss Simon Grayson is getting a talking-to from referee Bobby Madley at the next break of play. He is still chuntering about Greg Cunningham's yellow card.
#bbcfacup
Image source, PASons of Punjab: Arsenal fans back in love with Wenger after a brief domestic in the first half...
Rob Elmore: Why are Arsenal playing in yellow? Of course - red clashes with white...
That club-shop stock doesn't shift itself Rob.
Preston 1-1 Arsenal
Greg Cunningham has his name taken after a robust tackle on Lucas Perez.
The Preston man got the ball, but the crunch of shinpads drew Bobby Madley's attention.
Image source, Getty ImagesPreston 1-1 Arsenal
Goalkeeper Chris Maxwell claims an Arsenal corner that had been volleyed back into the mixer by Lucas Perez.
The hosts will have to man the barricades though for most of the remainder of this half. Arsenal are well on top