HASSAN v. THE UNITED KINGDOM – JUDGMENT 37 control, he was not within the jurisdiction of the United Kingdom. This position of principle was supported by Article 12 of the Third Geneva Convention (see paragraph 33 above). The first paragraph of Article 12 stated that the “Detaining Power is responsible for the treatment given” to prisoners of war. However, the second paragraph made it clear that, following the transfer of a prisoner of war by the Detaining Power to another State Party to the Convention, “responsibility for the application of the Convention rests on the Power accepting them while they are in its custody”. Thus, during the time that Tarek Hassan was detained at Camp Bucca, responsibility for the application of the Third and Fourth Geneva Conventions in respect of him rested on the United States. 73. In any event, the Government contended that from 25 April 2003, when Tarek Hassan was determined to be a civilian who should be released, and was moved to the civilian holding area in Camp Bucca, neither the United Kingdom nor the United States purported to exercise a legal right to detain him. He stayed at the Camp only because the security situation rendered it irresponsible simply to have released him immediately. He was no longer being detained, but was in Camp Bucca awaiting transport to his place of capture. Similarly, while he was being transported by coach by United Kingdom forces to the place of his release, he was a free person and was not in the custody or control, or under the jurisdiction, of the United Kingdom. 2. The Court’s assessment 74. The Court recalls that in Al-Skeini, cited above, §§ 130-142, it summarised the applicable principles on jurisdiction within the meaning of Article 1 of the Convention exercised outside the territory of the Contracting State as follows: “130. ... As provided by [Article 1 of the Convention] the engagement undertaken by a Contracting State is confined to ‘securing’ (‘reconnaître’ in the French text) the listed rights and freedoms to persons within its own ‘jurisdiction’ (see Soering v. the United Kingdom, 7 July 1989, § 86, Series A no. 161; Banković and Others v. Belgium and Others [GC] (dec.), no. 52207/99, § 66, ECHR 2001‑ XII). ‘Jurisdiction’ under Article 1 is a threshold criterion. The exercise of jurisdiction is a necessary condition for a Contracting State to be able to be held responsible for acts or omissions imputable to it which give rise to an allegation of the infringement of rights and freedoms set forth in the Convention (see Ilaşcu and Others v. Moldova and Russia [GC], no. 48787/99, § 311, ECHR 2004‑VII). (α) The territorial principle 131. A State’s jurisdictional competence under Article 1 is primarily territorial (see Soering, cited above, § 86; Banković, cited above, §§ 61 and 67; Ilaşcu, cited above, § 312). Jurisdiction is presumed to be exercised normally throughout the State’s territory (Ilaşcu, cited above, § 312; Assanidze v. Georgia [GC], no. 71503/01, § 139, ECHR 2004‑II). Conversely, acts of the Contracting States performed, or producing