80 Walloon pupils sick at once — cause still a mystery

HOOK
80 Walloon pupils sick at once — cause still a mystery
FACTS
- Dozens of students suffer stomach cramps, vomiting and headaches
- Health authorities investigate possible food poisoning
- School stays open but on high alert for new cases
- Parents were updated by school and officials
TAKEAWAY
Mass sickness at school — why is still unclear.
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