Head hits 112-ball hundred for Australia to swing momentum, having come in at 12-3
Chips Woakes to mid-on a ball after reaching ton, put on 121 with Green (74)
England bowlers struggle after good start. Four wickets in first session
Robinson removes Warner and Smith for ducks but now has back issue
Broad comically bowls Labuschagne for 44 and has Khawaja caught at slip
Five England changes - In: Burns, Pope, Billings (debut), Woakes, Robinson. Out: Hameed, Bairstow (injured), Buttler, Anderson (niggle), Leach
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The ground staff are now covering the bowlers run-ups too. That has been fairly rare in this series, so it would suggest they think this might last a while.
Close is scheduled for 11:30 GMT, but we can play until 12:00 so we do have time.
Here's how Mark Wood picked up the wicket of Cameron Green.
We'll use this delay to run through all the clips and catch you up on any action you've missed.
Over in Cape Town South Africa are closing in on victory in the third Test against India. That would mean they win the series 2-1.
The hosts need just 50 more runs to win the game, with seven wickets in hand.
What an utterly fantastic photo this is.
Top-level sport at its absolute best.
This is going on Broady's Instagram tonight, surely?
Image source, Getty ImagesThe ground staff have put down a decent amount of covers now, but Glenn McGrath is already reporting that it is easing off.
We're going off. The rain has got heavier and Mark Wood, who struggles to stay on his feet at the best of times, is slipping as he attempts to bowl.
The Hobart crowd boo.
Image source, Getty ImagesHmmmm. There is a little bit of rain in the air.
The two umpires come together but they decide to carry on for now.
Offt! A bit of width from Mark Wood and Alex Carey crashes away a cut shot.
It almost took Paul Wilson's head off stood at point. He ducked just in time.
Superb shot.
Jonathan Agnew
BBC cricket correspondent on BBC Test Match Special
All Australia have to do is be a bit patient and the bad balls come along.
Just a single from Stuart Broad's latest over. He is offering England an element of control after tea.
He is knackered though. He is covered in sweat, it is dripping all over him and he is trudging to his fielding position.
Mitchell Starc is the new batter, rather than Pat Cummins, who was carded to come in at eight.
Starc has had an excellent series with bat and ball.
Alex Hartley
England spinner on BBC Test Match Special
That was a very good over from Mark Wood. He set Green up. That was straight into the trap.
Image source, Getty Images
Green c Crawley b Wood 74 (Aus 236-6)
Oh no. He's given this away.
This was a much better over from Mark Wood to be fair. He hit Cameron Green on the body with one early, before sending one whistling past his shoulder and then he goes round the wicket and the short ball is pulled down the throat of Zak Crawley at deep square leg.
England have an opening.
#bbccricket
Jude in Rhyl: Re Ben (09.15). I would suggest Fernandinho should be bowling leg breaks.
Lovely shot. Cameron Green drives Stuart Broad to the cover boundary to move to 74.
His highest score in Test cricket is 84. He's going to get that elusive maiden ton, isn't he?
Why is it always England?
Andy Zaltzman
BBC Test Match Special statistician
That was the 10th four off Wood's bowling in his 10 overs.
Jonathan Agnew
BBC cricket correspondent on BBC Test Match Special
For Mark Wood this is turning into an absolute nightmare.
Mark Wood does at least go back over the wicket to end the over.
He got punched for a lovely back-foot drive by Cameron Green when he was round the wicket.
Wood has had a really good tour, and been quite luckless, but he's having a horror of a day. He's gone for 74 from 10 overs now.
Mark Wood is bowling round the wicket, bowling bouncers into the body of Cameron Green on a day one, on a green top....
I cannot believe how much this has slipped from 12-3 and the first 10 overs.
Has Travis Head already taken this game away from England?