David Warner accuses Pat Cummins of throwing Usman Khawaja under the bus and insists his account of Australia. The fallout from Australia's infamous 2018 ball-tampering scandal has taken another dramatic turn, with David Warner publicly backing Usman Khawaja and questioning Pat Cummins' handling of the controversy. Warner accused the Australian captain of throwing Khawaja "under the bus" after he dismissed the allegations made in the former opener's autobiography.