Public International Law (Vol. I & II)
Article 9
Everyone has the right to liberty and security of person. No one shall be subjected to arbitrary arrest or detention, and no one shall be deprived of liberty except on grounds and in accordance with procedure established by law.
Anyone arrested shall be informed of the reasons for arrest and of any charges, shall be brought promptly before a judge, and shall be entitled to challenge the lawfulness of detention before a court.