Defective Batteries at Elementary School: Sulfur Smell – Children in Hospital

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At an elementary school in Schwelm in the Ruhr region, gases from defective batteries caused a major emergency response. Three children and one teacher were taken to hospital as a precaution, as Stern reports, citing the fire department. The responders identified the cause in the school's fire alarm system.

What this means for those involved – and why Die Zeit cites a different number in its headline: We summarize what the sources reveal so far, and explain why a sulfur smell in a school building is never a minor matter.

What happened in Schwelm

A gas alarm went off in an elementary school building in Schwelm on Thursday. Fire crews responded and took control of the situation. As Stern writes, one teacher and three children had to be taken to a hospital as a precaution. The responders traced the cause to the fire alarm system – defective batteries there had released gases that were perceptible as a sulfur smell.

Die Zeit phrases things differently in its headline: it speaks of five injured children. In the available excerpt of the article, this figure is not broken down further. Which account ultimately holds up will become clear from official statements by the police, fire department, or city authorities.

Why the fire alarm system became the hazard

Fire alarm systems in schools, administrative buildings, and hospitals are supplied via backup power buffers – usually lead-acid or lithium batteries – so that the system continues to work reliably even during a power outage. When such batteries age, are damaged, or are overcharged, they can release hydrogen sulfide or other sulfur-containing vapors. This is the typical smell: pungent, unpleasant, and clearly noticeable even in low concentrations.

Sulfur-containing gases irritate the airways and can cause headaches, dizziness, and nausea. That is precisely why the responders' decision to evacuate the building and have the affected children and the teacher examined as a precaution was the right call.

How the children and the teacher are doing

Both available sources are silent on the current state of health and the exact duration of the hospital stay. So far, it is clear only that, according to the available information, this was a precautionary admission. The fire alarm system remains out of service until repairs are made. What remains is the reminder that backup power systems in schools must be maintained regularly – especially in places where hundreds of children learn every day.