Concerns grow over consumer rights after Korean Air-Asiana merger

Korean Air Lines Co. has introduced extra charges for preferred seats on domestic flights, raising concerns about consumer rights infringement shortly after the antitrust authority completed its merger review with Asiana Airlines Inc.

Starting Friday, passengers on Korean Air will pay an additional 10,000 won ($6.99) to 15,000 won to pre-select preferred seats, including extra legroom seats near emergency…