New footage has emerged that reveals the point at which David Warner snaps in response to a comment made by Quinton de Kock in Durban.

The staircase stoush between Warner and de Kock continues to overshadow the build-up to the second cricket test between Australia and South Africa that starts in Port Elizabeth on Friday.

Warner and de Kock clashed at tea on day four of the first test, with the latter claiming he reacted furiously to a remark the Proteas keeper made about his wife.

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New footage shows the bottom half of the staircase, detailing the moment at Kingsmead where a tit-for-tat became something far more serious. Tim Paine plays peacemaker in the clip, physically pushing Warner away, and is close enough to hear what de Kock says - as the wicketkeeper suggested was the case earlier this week.

"Something inappropriate was said. When you are bringing people's families or wives into it it's unacceptable," Paine said.

Video of the ugly incident has been leaked in dribs and drabs this week. The International Cricket Council (ICC) is understood to now be probing that aspect of the saga, after match referee Jeff Crowe finalised punishments for both players.

South Africa's Independent Media released CCTV images during the test, which showed the final stages of the scrap as Paine, Steve Smith and Usman Khawaja usher Warner into Australia's changerooms.

Footage then came to light of Warner calling Quinton de Kock a "f***** sook" as the players headed off the ground at tea.

Warner has accepted a level-two charge of bringing the game into disrepute. Australia's vice-captain was fined $13,500 and given three demerit points, meaning he will cop an automatic suspension for any further misdeeds in the next two years.

South Africa unsuccessfully contested de Kock's level-one charge for his role in the fracas, arguing provocation at today's hearing.

Crowe ruled the original punishment should stand, with de Kock docked 25 per cent of his match fee and slapped with one demerit point.

-AAP
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