Nelson Mandela back in hospital with lung infection

Former South African President Nelson Mandela has been re-admitted to hospital with the recurrence of a lung infection.

A statement from the South African presidency said Mr Mandela, 94, had been admitted just before midnight.

The statement said Mr Mandela was receiving "the best possible expert medical treatment".

Earlier this month Mr Mandela spent a night in hospital in the capital Pretoria following a check-up.

Mr Mandela spent 18 days in hospital in December, undergoing treatment for a lung infection and gallstones.