One of the world's top airlines is ending its cabin services early to safeguard against rising turbulence

• Korean Air is ending its cabin service earlier due to increased turbulence concerns.
• It follows Singapore Airlines in changing protocols following a fatal incident in May.
• The carrier said turbulence incidents had doubled over the last five years.

A second airline has changed its cabin service due to increased concerns about turbulence.

Korean Air announced Monday that it would finish cabin service 20 minutes earlier on medium and long-haul routes.