BOSTON (NewsNation) — A man accused of attacking two teenagers with a metal fork on an international flight is facing federal charges, according to U.S. prosecutors.

Praneeth Kumar Usiripalli, 28, was charged with assault with a dangerous weapon with intent to cause bodily harm on an aircraft. He was arrested at Boston Logan International Airport after the plane made an emergency landing.

Usiripalli was on board a Lufthansa flight en route from Chicago to Frankfurt, Germany, when he stabbed two 17-year-old boys with the metal fork, according to prosecutors.

NBC News, citing charging documents, reports Usiripalli does not have lawful status in the U.S.

Charging documents revealed that the first teenager was sleeping lightly in a middle seat when he awoke to see Usiripalli standing over

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