It comes to nothing and the Blades break.

It's anxious stuff now. Sheffield United have lost the control they had and it's gone very end to end.

Six minutes plus stoppage time remaining.

Image source, Reuters

Another long throw incoming.for Sheffield United to deal with.

Matty Cash with it again. But the Blades do deal with it.

Forest now win a free-kick thanks to a lovely jinking run from Arvin Appiah.

With Forest down to 10 and struggling to create much in open play, set-pieces may well be their best bet.

Matty Cash has a huge long throw but this one has too much air and it's easy for Sheffield United keeper Dean Henderson to come and collect.

Sheffield United make their second change of the afternoon.

Martin Cranie is replaced by John Lundstram.

There are just over 10 minutes left.

We're just getting back under way at The Den.

Can Millwall go on to get all three points against 10-man Brentford and ease their relegation worries?

Image source, Rex Features

And the free-kick...

Oh dear. It's spanked a country mile off target by Matty Cash with all Forest's big men waiting in the area.

Lewis Grabban muscles his way past a couple of challenges and his blocked shot leads to a free-kick for Forest in a dangerous position as George Baldock is booked for a challenge on Jack Colback...

Young striker Arvin Appiah comes on for Forest. The not-so-young Claudio Yacob makes way.

Appiah has bags of potential and is really well regarded at the City Ground. Time to make a name for yourself.

Image source, Getty Images

We are into the final 20 minutes at Bramall Lane.

Sheffield United are still on top and closing in on second place in the Championship table.

They are knocking it around nicely in midfield and asking plenty of questions of the visitors.

Will they get a second and avoid a nervy finish or can Forest battle back with 10 men?

And that's that. A huge blow to Bristol City's play-off chances has been dealt.

It's Bristol City who have gone closest to finding a winner in time added on. But Matty Taylor's strike drifts wide.

Image source, PA

There are four extra minutes under way at Ashton Gate.

Play-off chasing Bristol City desperately need a winner.

A point will be a great return for Reading.

Almost a lucky second for Mark Duffy and Sheffield United.

The midfielder''s attempted cross is heading towards the far top corner but the giant figure of Reds keeper Costel Pantilimon manages to tip it over.

All square at the break in south London.

Lee Gregory's opener for Millwall was cancelled out by Josh Dasilva but Brentford will have to play the rest of the game with 10 men following Henrik Dalsgaard's dismissal.

A late chance for Reading to win it...

Nelson Oliveira blasts an effort wide after good work by Garath McCleary.

Just three minutes plus stoppage time remaining at Ashton Gate.

Image source, Rex Features

Here are the scores at the break:

League One:

Coventry 1-0 Bradford

Oxford 2-1 Charlton

League Two:

Exeter 0-2 Crawley

That could easily have been 2-0 to the hosts.

George Baldock has acres of space as he runs deep into the Forest box but no one shows for the pull-back and he is crowded out.

Corner.

It comes to nothing, Oliver Norwood's strike is well off target - not for the first time this afternoon.

It's relentless pressure from Sheffield United now. They are clearly not settling for a 1-0 win.

Goalscorer Mark Duffy overhits a cross after some pinball in the penalty area.

Forest survive for now and also bring on Lewis Grabban as they seek to get back into the game.

Uh oh, things are not looking for the Bantams.

Nathaniel Knight-Percival is given his marching orders after backing into Amadou Bakayoko off the ball and receives his second yellow card.