Surveillance video captured the scary moments when a school security K9 dog who was off its leash attacked a child over the summer near Miami Country Day School.

The German shepherd, who is there to protect those at the Northeast Miami-Dade school, stepped out of line and grabbed the little boy’s leg while he walked on the sidewalk with his father near Northeast 107th Street.

Video, provided exclusively to 7News, shows surveillance and body camera footage of the incident and the aftermath.

“The dog bit him and threw him,” said a security staff member who witnessed the moments that followed the bad bite.

The man, who doesn’t want to be identified, said he’s a firearms training expert and worked for a company hired by Country Day to provide private security for the school.

He detailed w

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