Judgment of the Court (Grand Chamber) of 27 May 2019.#OG and PI.#Requests for a preliminary ruling from the Supreme Court and High Court (Ireland).#References for a preliminary ruling — Urgent preliminary ruling procedure — Police and judicial cooperation in criminal matters — European arrest warrant — Framework Decision 2002/584/JHA — Article 6(1) — Concept of ‘issuing judicial authority’ — European arrest warrant issued by a public prosecutor’s office of a Member State — Legal position — Whether subordinate to a body of the executive — Power of a Ministry of Justice to issue an instruction in a specific case — No guarantee of independence.#Joined Cases C-508/18 and C-82/19 PPU.