TRIPOLI - A delegation from the International Criminal Court (ICC) will on Tuesday visit two of their colleagues detained in a Libyan town on allegations they handed suspicious documents to Muammar Gaddafi's incarcerated son, a Libyan legal source said.

Australian lawyer Melinda Taylor and Lebanese-born interpreter Helene Assaf were detained in the town of Zintan at the weekend after they met Saif al-Islam Gaddafi, subject of a tussle between the ICC and Libya over where he will face trial.

Human rights groups, the court in The Hague, and the Australian government have all demanded that the pair be released immediately, but Libyan prosecutors say they will be held for at least 45 days while they are investigated.

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