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Santos Gurjau boarded the flight in Lisbon, Portugal and became agitated during the flight.

Crew members restrained him with handcuffs. He then started to convulse and became unconscious.

Medical personnel who happened to be traveling on the flight tried to revive him until the plane landed at Cork Airport, but he was pronounced dead shortly after arriving in Ireland, The Irish Times reported.

Officials said Santos Gurjau bit one passenger on the hand. That passenger was taken to an area hospital, Mashable reported.

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Débora Rey and her husband Martín Verdi liked Trump's "get tough on undocumented immigrants" stance but they didn't think he would go after legal immigrants like their son. (Miguel Martinez/AJC)

Credit: Miguel Martinez/AJC