Nelson Mandela was admitted to the hospital for a routine checkup in South Africa on Saturday, reports CNN.
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"Doctors are conducting tests and have thus far indicated that there is no reason for any alarm," according to a statement from the presidential office Saturday.
In January, Mandela completed his recovery from a lung infection and gallstone surgery and gradually returned to his normal routine, officials said at the time.
Mandela, 94, who has not appeared in public since 2010, had continued receiving treatment at his home in Houghton, a suburb of Johannesburg.
Mandela was hospitalized for a lung infection in early December and a week later underwent surgery to remove gallstones. He was discharged from the hospital after a two-week stay.
Read more at CNN.
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