Leicester with the ball and field position up by the Southampton corner flag.

What they don't have is much urgency as they indulge in keep-ball.

And Demarai Gray wins a free-kick from Dusan Tadic to run down the clock further.

Christian Fuchs is shown yellow for time-wasting as he dallies over a throw-in.

He'll take that one of his team.

The King Power Stadium have found their voice again.

More clapping, more decibels and more belief.

Matt Elliott
Former Leicester City captain on BBC Radio Leicester

Image source, Getty Images

"It's end-to-end stuff. There's a cup tie atmosphere. There have been a few skirmishes and scares at both ends."

Image source, Reuters

The winner was there for the scoring.

N'Golo Kante plays in Leonardo Ulloa, but the striker's first touch is a duffer.

Then Jamie Vardy gets in to the byeline and fires a shot across the face of goal from a tight angle.

Matt Elliott
Former Leicester City captain on BBC Radio Leicester

"There's still a lot of work to do. It's going to be a long eight minutes, plus injury time. But you'd have your money on Leicester City, because they've proved time and again that they're capable of doing it."

Sadio Mane's cross is just behind James Ward-Prowse as Southampton commit more men forward.

But there is space on the counter and Jamie Vardy forces a corner in an aerial duel with Virgil van Dijk.

Demarai Gray is in no rush to take it.

Southampton's long throw into the box is hammered clear as Wes Morgan puts a big size nine through the ball.

Eight to go.

Leicester are slowly taking the sting out of this game.

Patient, risk-free passing in the build-up eats up some seconds before Danny Drinkwater has a shy from 25 yards.

Just wide. But a few more inches closer to the finish line.

Image source, PA

Riyad Mahrez looks like some long-haul international duty for Algeria has caught up with him.

Leicester's creator-in-chief is replaced by Demarai Gray.

Sadio Mane wallops a shot high, wide and none-too-handsome.

Leicester fans cheer gleefully.

Twelve minutes to see out.

Matt Elliott
Former Leicester City captain on BBC Radio Leicester

"Mahrez is out on his feet, he's standing there with his hands on his hips. He hasn't looked himself all day."

Image source, Reuters

Dusan Tadic gets the yellow card that has been in the post for a while.

A raking tackle on Riyad Mahrez prompts Michael Oliver to show yellow.

Image source, PA

Dan Bell: Leagues are won with a solid defence, this is why Leicester have a great chance. So hard to break down.

Martin Monday-Jones: Drinkwater having another incredible game but yet still won't play for England. As a Welshman I'll be happier if he doesn't.

Charlie Austin blasts the ball into the hand of Robert Huth from point blank range in the penalty box.

He screams for a spot-kick.

Michael Oliver turns down his appeals and awards just the corner.

Charlie Austin and James Ward Prowse are on for Southampton in place of Steven Davis and Jordy Clasie.

Matt Elliott
Former Leicester City captain on BBC Radio Leicester

Image source, Getty Images

"You've got to give credit to Forster, because he could have given up the ghost. Simpson just couldn't find the right strike."

Image source, Reuters

Has to be! Yet somehow it isn't!

Jamie Vardy's low cross finds its way through to Danny Simpson at the far post and, with Fraser Forster struggling to get across, the Leicester full-back has a big slice of goal pie to aim at.

But Simpson's shot is an ugly scuff that is straight back at Forster and he makes the save.

Ryan Bertrand gets his bearings all wrong in the penalty area and slaps a shot into the Southampton side-netting.

As we tick towards 20 minutes to go, Leicester's fans are on their feet and clapping rhythmically to urge their team on to the finish line.

Southampton are going to chew their nerves a little more before the final whistle though.