A Kissimmee school resource officer has been fired, according to police. Related: Kissimmee school resource officer accused of child abuseInvestigators said an altercation happened May 8 between Officer Mario Badia and a 13-year-old boy in the front office of Kissimmee Middle School, where he worked. Video shows confrontation between Kissimmee officer and student, officials sayAccording to an arrest report, surveillance video shows Badia shoving the student in the chest, lifting him off his feet and then slamming him to the ground, with the student showing no signs of resistance.Video of the incident was released in November. Officer Badia is charged with child abuse. Police said Badia has been employed by the Kissimmee Police Department since September 2013. He had been placed on paid administrative leave.Related: Florida's most violent counties