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A chilling and dangerous trend is sweeping through schools and it could turn deadly in seconds.

Joburg Emergency Management Services (EMS) has raised serious concerns after a disturbing video surfaced on social media showing school pupils inhaling contents from a fire extinguisher.

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The trend, known as “Chuff”, sees youngsters deliberately inhaling chemical powder from fire extinguishers, a reckless act officials warn could have fatal consequences.

EMS spokesman Robert Mulaudzi did not mince his words.

“Fire extinguishers are designed to put out fires, not for inhalation or smoking,” he said.

Mulaudzi warned that inhaling the contents whether dry chemical powder or CO2, is extremely dangerous.

“Inhaling fire extinguisher contents can cause severe health issues such as pneumonia, seizures and potentially death,” he said.

Mulaudzi has now called on parents to urgently intervene before more lives are put at risk.

“We urge parents to educate the youth about the dangers of inhaling fire extinguisher contents,” he said.

He said that the department has BeSafe Centres in all seven regions of Joburg, aimed at equipping communities with critical life and fire safety knowledge.

“Our BeSafe Centres are designed to educate residents about life and fire safety, including safe use of fire extinguishers.”

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“Residents are encouraged to visit centres in their communities, and schools are also encouraged to invite our Public Education Officers to conduct these important programmes,” said Mulaudzi.

For any life-threatening emergencies, residents are urged to immediately contact the Emergency Management Services Command and Control Centre on 011 375 5911.