Joined Cases C-508/18 and C-82/19 PPU: Judgment of the Court (Grand Chamber) of 27 May 2019 (request for a preliminary ruling from the Supreme Court, High Court (Ireland) — Ireland) — Proceedings relating to the execution of European arrest warrants issued in respect of OG (C-508/18), PI (C-82/19 PPU) (Reference 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)