Sandpapergate: Usman Khawaja, Pat Cummins claims explained as 2018 ball-tampering scandal rocks Australian cricket again

What was sandpapergate, who was involved and what were the punishments? Ball-tampering scandal is back in focus following Usman Khawaja’s claims that the entire team knew about the illegal methods being used; Pat Cummins has denied his claims as 100 per cent wrong