SEOUL, May 24 — Singapore Airlines has tweaked its in-flight seatbelt sign policies and altered at least one flight route after a turbulence incident this week killed one person and left dozens more hospitalised, according to the airline and flight data.

CHIANG MAI, Feb 15 — The global aviation industry saw a total of 3,580 new international air routes made available in 2022 despite the uncertainties caused by the Covid-19 pandemic, said UK-based aviation consultancy ASM Global Route Development.