the gigs were in Sun City - but the fact that sth africa was still apartheid-run was all that mattered -
even though blacks were allowed to attend - the audience was segregated - so queen were seen to be condoning this even though Roger has said they weren't aware of the segregation issue and later admitted that the whole thing was an error of judgement on queen's part
They played 7 concerts at Super Bowl in Sun City, in Bophuthatswana. link
Unfortunatelly, concerts were not filmed... not even audio recording exists, as far as I now.