South African cricket faces crisis as player strike threat looms three weeks before England Tests

In his letter to CSA president Chris Nenzani, Khan wrote: "Unfortunately, all fingers point at the CEO.

"But, having said that, I cannot believe that you are not aware of the many issues that have caused this malaise and to that extent you are also complicit and perhaps even the entire board."

Khan's resignation came a day after that of Shirley Zinn, leaving CSA with only three of their five independent directors.