CAUGHT ON CAMERA: Man attacks another man at DFW Airport, seemingly due to the color of his shirt

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(CNN) -- A bizarre incident was caught on camera at the Dallas-Fort Worth International Airport last week. Passengers had to subdue a man who started attacking another man...apparently all because the man was wearing a pink shirt!

The video of the incident starts off with an angry man taunting another man at a gate in Terminal C because he was wearing a pink shirt -- and the incident escalates from there.

The video shows the man shouting at the man in the pink shirt, and passengers begin to approach. One man, seen wearing a black cowboy hat asks the man what he's so upset about.

"Queers is what I'm upset about. This (expletive) right here!" the man is heard saying.

Then, the man kicks and slaps the man wearing the pink shirt because he believes that man is gay.

That's when other passengers watching the commotion jumped in -- shouting at the man attacking the man in the pink shirt.

DFW police officers arrive shortly thereafter, and are seen helping passengers take the man to the ground. The video shows the crowd watching as the man was handcuffed -- and he can be heard swearing at officers and complaining his handcuffs are too tight.

One person is heard asking the man why he did it.

"You want me to tell you the reason why I did it? Because this is America, that's why. The same reason you get to live, to breathe, to walk black," the man is heard saying.

Several passengers shot video of the incident. One of those individuals identifies himself as Andrew Kennedy.

"The guy was crazy - absolutely crazy," Kennedy said.

Kennedy says his brother saw the whole thing unfold.

"We saw a very troubled man. We hope that he was under the influence of some kind of substance, because if he wasn't and that's his true personality, then he's going to have a long road in front of him," Kennedy's brother said.

A DFW spokeswoman confirmed the incident took place at the airport and that officers arrested the man, but they wouldn't comment further.