GATINEAU, Que. - 21 Gatineau kids are in Hospital after reports of strange fumes aboard their school bus.
The children attend Ecole Saint-Jean Bosco in Gatineau, reporting symptoms of headaches and nausea.
Five ambulances were dispatched to the scene at 10 a.m., Paramedics say.
Gatineau Police were looking at the possibility of the source might be carbon monoxide, but Commission Scolaire des Portages-de-l'Outaouais ruled that out as a cause. The school board says it was a mechanical issue on the bus.
A total of 43 children were assessed, half of whom did not need to go to hospital.
None of the symptoms are reported to be severe.
17 children have been sent to hospital in Gatineau sector, 4 other have been sent to Hull. The children have been sent to hospital as a precautionary measure.
The school board says all the kids were okay and had been discharged from the hospital by 3 p.m. Friday.