Off goes hat-trick hero Billy Sharp for Sheffield United to be replaced by Conor Washington for the last five minutes.

Image source, Getty Images

Tim: More atrocious officiating in the Championship, there needs to be something done about how poor they are at the moment. Offside and then a kick out of the keepers hands are allowed! Poor!

Daniel Francis: How was that second goal allowed to stand ? Offside, kicked out of the keepers hands and with studs showing. Disgraceful Refereeing once again in the Championship!

Matt Price: I know there's still 3 months to go of the season... But I reckon Leeds, Sheffield United and Norwich will be the three promoted teams!

Villa almost in again through John McGinn straight after.

But, the midfielder is nowhere near the target and probably should've done a lot better there.

Sheffield United just switching off.

Not on the evidence of that very wildly hit cross by Andre Green.

It goes out of play on the opposite side and several in the Holte End have seen enough after that and make an early exit.

Into the last 10 minutes.

This game is done and dusted. Just remains to be seen if Villa can find a consolation....

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David McGoldrick goes alone down the left with the cut inside and then shot for Sheffield United when he would've been better off squaring it to one of three waiting players in the middle.

Shall we dance? Tommy Elphick and Billy Sharp get in a bit of a tangle off the ball after the Villa centre-back clears the ball out of touch.

Fair to say Elphick not seeing anything on the funny side about the pattern of this game.

Image source, Rex Features

Off goes Kieran Dowell for Sheffield United and on comes Martin Cranie.

Glenn Whelan doesn't take long to have his name taken!

Eight minutes in fact!

Oliver Norwood felled by the Villa man late.

John Egan shown a yellow card now for Sheffield United meaning two of their three centre-backs have gone in the book tonight.

Tammy Abraham the player fouled.

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Conor Hourihane with the thundering free-kick that Dean Henderson palms away when it was straight at him.

"Deano! Deano!" the travelling supporters chant.

Enda Stevens trips John McGinn on the edge of the penalty area.

What can Villa muster from this chance?

Sheffield United change now as Gary Madine makes way for David McGoldrick.

Not a bad player to bring on when you're 3-0 up!

If the scoreline stays like this, it will do Sheffield United's goal difference the power of good.

They will go top on goal difference with the win and as it stands, they will have +22 compared to Leeds +16 and Norwich's +18.

Every little helps as they say....

Ged Scott
BBC Sport at Villa Park

Image source, Rex Features

In stark contrast to the wildly celebrating Yorkshiremen in the corner of the Witton Lane Stand, the Villa fans are not happy.

Already angered by the ref’s failure to give a free-kick when Jonathan Kodjia hit the turf dramatically at one end, they were then further maddened by Sharp’s second goal.

There’s no doubt he went in to poke the ball over the line with studs showing.

But there’s surely no argument about his third - other than in the Villa dressing room afterwards as to why the most dangerous player on the pitch was left unmarked for a free header at the far post.

Game over.

And Sheffield United keep marauding forward.

Kieran Dowell again on the surge into Villa's area but they scramble clear.

Double change for the hosts meanwhile as Jonathan Kodjia makes way for Andre Green. Mile Jedinak is replaced by Glenn Whelan.

Alan Hutton in the book for Villa with a reckless late challenge on Jack O'Connell.

Villa frustrations evident on several levels.