India, July 3 -- A 21-year-old Indian-origin man from Newark was arrested after he engaged in a fight on board a Frontier Airlines flight. Ishaan Sharma is accused of attacking a fellow passenger "without provocation," following which he was arrested as the plane touched down in Miami.

According to reports, Sharma assaulted Keanu Evans for no apparent reason soon after their flight took off from Philadelphia. After the mid-air brawl, Sharma sustained a black eye along with a laceration on his eyebrow.

Evans told media outlets that before Sharma grabbed him by the throat, he was seated in front of him and muttering strange things, even issuing death threats.

"He was doing some, like, dark laugh like, 'ha ha ha ha ha.' And he was saying ...