Former South African President Nelson Mandela remains in a critical condition at a Pretoria hospital but "continues to show improvement," the government said on Tuesday.
The 95-year-old anti-apartheid hero has spent nearly eight weeks in the hospital for treatment for a recurring lung infection.
The government has declined to comment on a weekend report by U.S. broadcaster CBS which said that Mandela had recently undergone a minor operation to unblock a dialysis tube.
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