India, March 25 -- Miller Gardner, the youngest son of Yankees great Brett Gardner, died of "asphyxiation" while on vacation with his family at a Costa Rican resort. The cause of death was revealed shortly after the tragic incident made headlines. Miller died by asphyxia "after a possible intoxication after apparently ingesting some food," an official with Costa Rica's Judicial Investigative Agency told NBC News.

Local officials told Inside Edition that Miller fell seriously ill, along with many other members of the family, while they were staying at the upscale Arenas Del Mar Beachfront & Rainforest resort. Officials are now working with the family to transfer Miller's body back to the United States. The US State Department told the New...