National League side Woking earned replay against League One Peterborough
Crewe came back from 3-0 down to draw 3-3 against nine-man Blackburn
Seventh-tier Leatherhead took lead at Wycombe but lost 3-1
Scott Barrow injury causes lengthy delay to Luton's win at Gateshead
Eddie Nolan (62 mins)
Crewe looked out of it at 3-0 down after 20 minutes, but they've got a huge chance at nine-man Blackburn now!
A corner causes chaos in the box and it looks like Eddie Nolan got the final touch.
Newport 1-0 Cambridge (59 mins)
Off the line at Rodney Parade!
Some amazing defending from Newport County has stopped what would have been a certain equaliser from Cambridge United.
Ben White was on hand to block Uche Ikpeazu's shot right on the goal line.
BBC Radio 5 live sports extra
We've got a special page set up dedicated to BBC local radio commentary of today's second-round ties.
Eight of the nine ties are available for your listening pleasure.
You can also hear coverage of Coventry City v Boreham Wood by clicking on the BBC Radio 5 live sports extra option at the top of the page.
Gateshead 0-1 Luton
The two teams are back out at the Gateshead International Stadium.
If you're just joining us, there was a 16-minute delay in the first-half after an injury to the home left-back Scott Barrow.
Blackburn 3-1 Crewe
Now then - Blackburn are down to nine men against Crewe!
Elliott Bennett is sent off following a clash with Crewe's Perry Ng.
Jimmy Spencer (52 mins)
It's a second for Jimmy Spencer.
CJ Hamilton puts the ball into the box and Spencer makes no mistake on the volley.
Surely no way back for National League Guiseley?
Mansfield 1-0 Guiseley (50 mins)
The National League side are down to nine men as Chris M'Boungou receives a second booking for a foul on CJ Hamilton.
Jordan Shipley (48 mins)
Coventry's three goals have been full of quality today.
Jordan Shipley rounds off an excellent move, turning in a cross at the far post.
Blackburn 3-1 Crewe
Crewe are still in it at Ewood Park and George Cooper has just hit the bar against 10-man Blackburn.
Gateshead 0-1 Luton
Referee Ben Toner has blown for half-time at Gateshead.
Olly Lee scored the only goal for the League Two leaders after 40 minutes, but a worrying injury to home left-back Scott Barrow saw a 16-minute delay in the match.
An ambulance has just left the International Stadium.
Image source, David Steel / TwitterWoking 0-1 Peterborough (46 mins)
Final Score
Woking boss Anthony Limbrick:
"We were outstanding, Peterborough had one chance which they scored from. We want to press high and not let them play.
"We were obviously the best side [in the first half], I thought we were very good.
"We're not going to do anything differently. We'll keep going the same way, passing as we do and I think we'll get chances from that."
HT: Wycombe 1-1 Leatherhead
Almost back under way in our FA Cup second round ties.
Seventh-tier Leatherhead resume level at Wycombe - here's the moment they took the lead with a Jack Midson penalty.
Gateshead 0-1 Luton
Kevin Kilbane
Former Everton winger on Final Score
The positive from what Eilidh is saying is that he is conscious. It was a really heavy collision and there was a lot of concern around him.
Hopefully it's not too serious.
Gateshead 0-1 Luton
The reason for the delayed half-time at Gateshead is a nasty looking injury to the Heed's left-back Scott Barrow.
He clashed with his own goalkeeper in the build-up to Luton's goal and play has only just resumed after a 16-minute delay, with Barrow carried off on a stretcher as an ambulance arrives at the International Stadium.
BBC Sport's Eilidh Barbour reports that Barrow is conscious and is on his way to hospital.
HT: Wycombe 1-1 Leatherhead
Final Score
Leatherhead player-manager Sammy Moore:
"I thought we did very well. We're unlucky not to be four up, to be honest. They're full-time for a reason and they've got quality. It was a bit of magic for their goal.
"We put a game plan in place and we've executed it perfectly.
"We're going to go and win it. There are gaps all over the pitch. I'm confident, it's been a great half of football and we've only been undone by a 40-yard free-kick and moment of class."
Image source, .Woking 0-1 Peterborough
It's not quite gone to plan for Woking in this first half.
Just before the break, the Cards won a penalty after Alex Penny was judged to have fouled in the box but Chez Isaac's spot kick was well saved by Peterborough keeper Jonathan Bond.
Gateshead 0-1 Luton (45 mins)
Gateshead's Scott Barrow is still receiving treatment at the International Stadium.
He collided with goalkeeper Dan Hanford in the build-up to Luton's goal in the 40th minute and play hasn't resumed since.
Heading towards half-time in our FA Cup ties, and hopefully some news on that serious-looking injury at Gateshead soon.
Mansfield 1-0 Guiseley (40 mins)
Guiseley's challenge just got an awful lot tougher.
Darren Holden is off after a a two-footed challenge on Mansfield goalscorer Jimmy Spencer.