Case T-31/18: Judgment of the General Court of 27 November 2019 –Izuzquiza and Semsrott v Frontex (Access to documents — Regulation (EC) No 1049/2001 — Documents relating to a naval operation carried out by Frontex in the central Mediterranean in 2017 — Vessels deployed — Refusal of access — Article 4(1)(a) of Regulation No 1049/2001 — Exception relating to the protection of the public interest in the field of public security)