ORANGE COUNTY, Fla. -- Channel 9 obtained video of a man who stormed onto a school bus and threatened children. The man was angry because the children threw crayons at his SUV.

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SLIDESHOW: Images From Video Of Man On School Bus
RAW SURVEILLANCE: Man Boards Bus, Threatens Children

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When the bus stopped, that's when he got on. The kids said he had a gun and, while the video doesn't show it, you can hear the man threatening to use a weapon.

Orange County Schools hope someone recognizes the man on video. A school bus camera captured the black and white video of him storming onboard despite pleas from the bus driver.

The students from CEP Northwest were on the way home from school Friday afternoon. Before the confrontation, kids were throwing crayons out the window at another car. That's apparently what caused the man to snap.

"The bus driver opened the door and let him get on the bus and he was yelling at the other students and stuff, like, 'Who threw the crayons?' Or whatever. And when he got off, he showed us the gun," said student Shawnte Frink.

While a gun never appears in the video, you can hear the man threaten to use one.

"I got something for your a**. That iron will set your mind right," the man yelled.

"In the video, you can hear him say this "iron" will get your mind right. Was there a concern about a more serious threat?" WFTV reporter Eric Rasmussen asked Rickey Horton, head of Orange County Bus Operations.

"That I did not hear and, again, he should've never been on the bus to begin with," Horton said.

"When I opened the door, the guy was around the bus. Didn't see him come in the bus," the bus driver told Eyewitness News.

School officials believe the bus driver did all he could, but some parents disagree.

"People going crazy now. They doing all kinds of stuff to these kinds. And for the bus driver to let the man on with a gun. That's putting all the kids and his life in jeopardy," said parent Stephanie Brooks.

Nobody can confirm if anyone called police to report the incident. The students who were responsible for throwing the crayons could be suspended.