When police arrived, they found adults talking over each other and heard the mention of a gun.
Officers approached the group, asked where the gun was, and Duane Mark Blake, 27, took them to his vehicle, according to officials.
Inside the vehicle, officers located the firearm inside a black pouch on the floor in front of the passenger-side seat, police said.
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An investigation showed the parents were initially called to the school about their children, who are students at the school, but then the parents got into a fight.
During the altercation, Blake was wearing the black pouch and put a hand on it and said he had a gun and started to unzip it while allegedly threatening to shoot one of the parents, police learned, according to WPBF.
Officers spoke with a school employee, who claimed she saw two parents arguing, causing a code-red lockdown at the shcool. She also alleged Blake was wearing the black pouch across his chest and started to unzip it, according to police.
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Surveillance footage recovered from the scene allegedly shows Blake going to his vehicle around 5:00 p.m. and grabbing the black pouch and putting it on his chest. The other parent is seen escorted to her vehicle, but Blake allegedly follows her, her child and a staff member, police said.
He was booked into the West Detention Center on a $20,000 bond.
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