A spare power bank is a possible cause of a fire that engulfed an Air Busan plane in January, South Korea's transport ministry said on Friday, citing interim investigation results. Scorch marks on the debris of a power bank found where the fire was first detected indicate the blaze may have started because insulation inside the battery had broken down,

South Korea’s Transport Ministry on Friday said that a spare power bank was a possible cause of a fire that engulfed an Air Busan 298690 KS plane in January. While citing interim investigation results in a statement,