Former Australian cricket vice-captain David Warner has apologised on social media for his role in the ball-tampering incident in South Africa. Sumaya Hisham / Reuters
Former Australian cricket vice-captain David Warner has apologised on social media for his role in the ball-tampering incident in South Africa. Sumaya Hisham / Reuters

David Warner apologises for ball-tampering incident that has left 'stain on the game' of cricket