SAS Australia’s Jackson Warne called a ‘liabilty’ as he buckles over during a difficult task

Cracking under pressure! SAS Australia’s Jackson Warne is branded a ‘liability’ by staff as he buckles over during a demanding physical task

Jackson Warne wants to break free from his father, Shane Warne’s shadow on SAS Australia.

But in the trailer for Monday’s episode, the 21-year-old appears to buckle under pressure during a very demanding physical challenge.

The task shows the participants working together to carry a log uphill, but at one point it seems to take its toll on the younger Warne.

Pressure: SAS Australia’s Jackson Warne is branded a ‘liability’ by staff as he buckles over during a demanding physical task in the trailer for Monday’s episode

He stops to the side to take a break and tells his team mates to ‘go without me’ and move on.

But a member of the directing staff, Mark ‘Billy’ Billingham ,approaches Jackson.

The two appear to square off, but Billy aggressively shouts at him for stopping.

Exhaustion: The 21-year-old appears to buckle over during a very demanding physical challenge of the group working together to carry a log uphill. At one point it seems to take its toll on the younger Warne who tells his team mates to 'go without me' and move on

Exhaustion: The 21-year-old appears to buckle over during a very demanding physical challenge of the group working together to carry a log uphill. At one point it seems to take its toll on the younger Warne who tells his team mates to ‘go without me’ and move on

Discipline: But a member of the directing staff, Mark 'Billy' Billingham, approaches Jackson. The two appear to square off, but Billy aggressively shouts at him for stopping. 'You are a liability,' he yells, before telling Jackson to get back with the group

Discipline: But a member of the directing staff, Mark ‘Billy’ Billingham, approaches Jackson. The two appear to square off, but Billy aggressively shouts at him for stopping. ‘You are a liability,’ he yells, before telling Jackson to get back with the group

‘You are a liability,’ he yells, before telling Jackson to get back with the group. 

Elsewhere, the trailer hints at another celebrity voluntarily withdrawing from the training.

And it seem the pressure of the log challenge pushes former international cricketer Mitchell Johnson to his breaking point.

Keep going or quit: Elsewhere, the trailer hints at another celebrity voluntarily withdrawing from the training. And it seem the pressure of the log challenge pushes former international cricketer Mitchell Johnson to his breaking point

Keep going or quit: Elsewhere, the trailer hints at another celebrity voluntarily withdrawing from the training. And it seem the pressure of the log challenge pushes former international cricketer Mitchell Johnson to his breaking point

Into the cold: The celebrities are set to undergo another round of physical and mental challenges including a water rescue

Into the cold: The celebrities are set to undergo another round of physical and mental challenges including a water rescue

Chief-instructor Ant Middleton unleashes fury on to him as he falls behind in the log challenge, telling him to either get back on course on return his number.

The celebrities are set to undergo another round of physical and mental challenges, including a water rescue and shooting with a firearm.  

SAS Australia continues on Monday at 7.30pm on Channel Seven 

Armed: Celebrities will also undergo a task that will see shooting with a rifle

Armed: Celebrities will also undergo a task that will see shooting with a rifle