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BROOKLYN, N.Y. – A lawsuit has been filed after a paraprofessional pleaded guilty to assaulting an 11-year-old child with autism.

“It is outrageous and unacceptable for a school paraprofessional to punch an 11-year-old autistic child,” said Sanford Rubenstein.

Authorities told WPIX the incident occurred on Aug. 7, 2014 in the cafeteria .

Surveillance cameras were rolling when Milton Parker walked up and started speaking to the child, who is sitting. The boy, 11-year-old Anatoly Veltman, can be seen swinging at Parker before Parker punches the boy in the face.

Veltman, who has the mindset of a 6-year-old, was taken to the emergency room after the punch.

“I saw a huge blue bruise above his eye and it was clear to me that he was punched with force and somebody tells me then that it was, in fact, the paraprofessional assigned to children’s safety,” Anatoly Veltman, Sr. said. “I wouldn’t believe it.”

Parker pleaded guilty to a misdemeanor assault charge last spring, and retired a short time later.

In an interview with the Daily News, Parker said that the punch was simply a reflex.

“The kid punched me in the eye first and as a reflex, he got hit back.” he said. “I knew it was on camera. If it was intentional, I would have taken him to another room and beaten the snot out of him.”

The boy is now being home schooled and his family is suing the city.