The BBC's Fergal Keane returns ahead of elections next year - 30 years since apartheid ended.
The president sends in security forces after 47 die and 80 are wounded in Hanang district.
Social activist Ndileka Mandela says "the global north is using economic and legal power to subjugate poor nations".
Both nations' military juntas say the G5 served foreign interests and has not made the region safer.
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