Footage of a maintenance worker at a middle school in China destroying cell phones as a warning to students.

The video, filmed in Guiyang, Guizhou Province on June 21, shows a man - dressed in the camouflage clothing - using a hammer of some kind to smash the phones in front of all the students in the playground.

The school is reportedly under military management and doesn't allow students to use their phones during teaching hours.

Footage has emerged from China of middle school worker destroying cell phones publicly to warn students.

The video, filmed in Guiyang, Guizhou Province on June 21, shows a man in the camouflage clothing using an ironware to smash cell phones in front of all student on a middle school playground.

The man was a maintenance in the fully militarized management middle school.

Since the school didn't allow students to bring phones, they destroyed around 20 cell phones which had no one to claim to warn students.