A 22-year-old passenger who died after a medical emergency aboard a Southwest Airlines flight bound for Los Angeles has been identified as officials investigate what may have led to his sudden death. Read On The Fox News AppWalmsey became unresponsive after experiencing a medical emergency while Flight 958 was en route to Los Angeles, law enforcement sources told NBC Los Angeles. Advertisement AdvertisementIt remains unclear what type of medical emergency Walmsey experienced. Advertisement AdvertisementThat same month, a 41-year-old American passenger died after suffering a severe medical emergency aboard a Fiji Airways flight bound for San Francisco. Original article source: 22-year-old passenger dies after sudden medical emergency strikes aboard Southwest flight to LA