"He is charged with involvement with the ICC delegation which is accused of carrying papers and other things related to the security of the Libyan state, " Taha Baara, told Reuters.
Libya's deputy attorney general Taha Baara confirmed the arrest, saying Libya had presented the Egyptian prosecutor general with the case against Mr Gaddaf al-Dam some time ago, says the BBC's Rana Jawad in the Libyan capital Tripoli.