Arthur also claims he was discriminated against because he was South African and was not supported by the governing body. $4 million claim: Mickey Arthur with Michael Clarke. Credit:AFP Warne told Sky Sports News that Arthur should instead be "very grateful" for the opportunity to coach Australia in the first place. "He did the best he could do and put his heart and soul into it so it sounds [like] a bit of sour grapes to me," Warne said. "If that's your gripe, go behind closed doors, but I think he should sit back and be quiet as $4 million is out of order.

"It is very disappointing that he wants money and perhaps he should go back to homework-gate and start writing some lines and send some papers to Cricket Australia." "Sour grapes": Shane Warne. Credit:Getty Images Warne claimed he was one of Cricket Australia's harshest critics, but said he had nothing but praise for the organisation's decision to appoint Darren Lehmann as Arthur's replacement. "Cricket Australia were very proactive when it wasn't working and unfortunately when things aren't working and you are the coach you are the first to go," Warne said. "It's you or the captain and Australia weren't going to get rid of Michael Clarke, so Arthur had to go.

"I am one of Cricket Australia's harshest critics but you have to give them ticks for appointing Lehmann. It was a fantastic move as even though Australia lost [the first Test] they have shown better spirit." A statement released by Arthur's legal representatives confirmed he was taking action in the Fair Work Commission against Cricket Australia on several grounds, including racial discrimination. Confidential conciliation between the parties will be held next week. Arthur said he was "extremely upset and disappointed" that the confidential documents appeared to have been leaked to the media. "The matters raised in my application to the FWC concerning issues within the Australian cricket team are very sensitive, which is why I was at pains to keep them confidential, especially at this time," Arthur said.

"I have kept them confidential,unfortunately others have now made them public. Loading "I want to stress how important to me the members of the team were, and still remain to me. The welfare of the Australian cricket team is upmost to me.” Warne and fellow former Australian cricketers Steve Waugh, Glenn McGrath and Adam Gilchrist will all visit the Australian cricket team at Lord's this week following the team's narrow defeat at Trent Bridge.