Six people died and six others were injured when a taxi overturned on the N1 just before Touwsriver, Western Cape, SABC radio news reported on Sunday.
Provincial traffic spokesperson Kenny Africa said the driver of the taxi had lost control and the mini bus had veered off the road and overturned.
A child was still trapped inside the vehicle. The road has been closed to traffic.
The taxi was on its way from Cape Town to the Eastern Cape.
– SAPA