This was found in a study conducted by the North West University.
ANC and other opposition councillors were locked out of the council meeting earlier this week.
The longtime Zimbabwean leader was elected to head the continental body at a summit on Friday.
The DA demands the minister explain how more than R10 million was spent on advertising.
The men were tracked down in Khayelitsha by members of the police flying squad.
The Muizenberg beach has been temporarily closed to the public.