Cathay Pacific CX257 intercepted by NATO fighters after temporary ATC communications blackout over Romania/Hungary en route to L
A Cathay Pacific Airbus A350 (CX257) operating HK–London temporarily lost contact with air traffic control while over Romania and later over Hungary, prompting NATO alerting and fighter-jet intercepts. Hong Kong’s aviation regulator has ordered a formal investigation following the incident involving up to 334 passengers.