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Police on Sunday morning prevented Democratic Alliance leader Helen Zille and her entourage from approaching President Jacob Zuma's homestead in Nkandla.
Sapa reports that about 700m from where the DA was stopped, police in riot gear were trying to prevent a group of ANC supporters from advancing.
Officers formed a human chain across the road, outside Zuma's residence. Two water canons and several armoured Nyala vehicles were parked nearby.
The DA intended visiting Zuma's private residence, where an upgrade, reportedly costing R200 million, was in progress.
Zille and DA officials intended inspecting roads around the property and would try to enter the compound.
