The Geneva-based International Committee of the Red Cross (ICRC) has said it has visited Saif al-Islam Gaddafi in detention on Tuesday.
"The ICRC visited Saif al-Islam Gaddafi this afternoon in Zintan. He appeared to be in good health," ICRC spokesman Steven Anderson told Reuters.
Zintan is a small city in north-western Libya, situated roughly 136 kilometres southwest of Tripoli.
Anderson declined to give further details on the visit to Gaddafi's son, who was captured in the southern Libyan desert on Saturday, citing the confidential nature of the independent humanitarian agency's visits to detention centres.
On Tuesday the International Criminal Court's chief prosecutor conceded that Saif al-Islam Gaddafi may be tried in Libya rather than in The Hague, meaning he faces the death penalty if convicted.
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