March 28, 2018 6:32 ISTAustralia cricket captain Steve Smith, vice-captain David Warner and batsman Cameron Bancroft have all been sent home from the tour of South Africa for their role in the ball-tampering scandal and face "significant sanctions" in the next 24 hours, Cricket Australia CEO James Sutherland announced on Tuesday in a press conference in Johannesburg. Matthew Renshaw, Glenn Maxwell and Joe Burns will replace Smith, Warner and Bancroft respectively and will fly to Johannesburg over the next 24 hours to join the squad for the fourth Test against South Africa.