Overview
- Flight TK1853 from Istanbul declared an emergency while over Sardinia and diverted to Barcelona–El Prat.
- AENA activated in‑flight and ground security protocols, mobilizing Guardia Civil, national police, Mossos d'Esquadra, firefighters, civil protection, and two fighter jets.
- The aircraft was moved to an isolated area as the airport continued operating.
- Spanish media reported the alarm began when a passenger renamed the onboard Wi‑Fi to suggest a bomb, which another passenger reported to crew.
- AENA declared the emergency over around 14:00 local time, and the investigation now focuses on whether the incident was a hoax.