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The fall of an empire: Gupta family faces justice in South Africa

South African President Cyril Ramaphosa has blamed corrupt practices for the country's economic problems. Since taking office earlier this year, he has been a man on a mission - determined to put a stop to "state capture". Former president Jacob Zuma and his son's close links to the Indian-born Gupta brothers - who bagged billions in contracts and business from state-owned enterprises - are at the centre of the saga. Today, the Guptas are no longer untouchable. Our correspondents report.