Specialist police officers searching for the missing Sheffield youngster Ben Needham have called off their search on the Greek island of Kos.

BBC: Ben Needham: Police finish Kos search

Ben Needham, from Sheffield, went missing during a family holiday on the island of Kos in 1991 when he was 21 months old.

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On the island of Kos, there are the mighty towers of the Castle of the Knights of St John, the medieval order of holy crusaders who went to Jerusalem but never returned home.

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