The Proteas will be without head coach Russell Domingo for the next few days.
Team management confirmed on Friday morning that he has flown back to South Africa urgently to attend to his mother.
Also read: Farhaan Behardien: The Proteas’ trip isn’t unraveling
She was involved in an accident on Thursday and is critically injured in an Eastern Cape hospital.
No further details were immediately available.
It’s yet another disruption to the under-pressure Proteas, who play England in the second of three T20s in Taunton on Friday evening.
AB de Villiers and his troops are already 1-0 down in the series and must win to keep the battle alive.
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