Extradition — Procedure and evidence — Prima facie case — Admissibility of evidence submitted by requesting State — Reports submitted to juge d'instruction — Whether admissible in evidence — Succession in respect of extradition agreements

State succession — Treaties — Extradition treaty — Extradition Treaty between France and the United Kingdom — Application to Mauritius before independence — Whether continuing in force after independence of Mauritius — Whether formal acknowledgement of continued force by both States required — The law of Mauritius