Steve Smith and David Warner have stood down from the captaincy and vice-captaincy of the Australian Test side effective immediately.
Wicketkeeper Tim Paine will captain the remainder of the match.
Cricket Australia released a statement ahead of the start of the fourth day’s play:
Cricket Australia CEO, James Sutherland said:
“Following discussions with Steve Smith and David Warner they have agreed to stand down as Captain as Vice-Captain respectively for the remainder of this Test match.
“This Test match needs to proceed, and in the interim we will continue to investigate this matter with the urgency it demands.
“As I said earlier today, Cricket Australia and Australian cricket fans expect certain standards of conduct from cricketers representing our country, and on this occasion these standards have not been met.
“All Australians, like us, want answers and we will keep you updated on our findings, as a matter of priority,” concluded Mr Sutherland.
On the board decision to appoint an Acting Captain, Cricket Australia Chairman, David Peever said:
“The Board of Cricket Australia has endorsed Tim Paine to step in an as Acting Captain for the remainder of this Test.
“Both Steve and David will take to the field today under Tim’s captaincy.”