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"An incident has occurred": several students, exposed to this toxic gas, have been taken care of or isolated in their school.
In Saint-Renan (Finistère), several students from the Saint-Stanislas school are being treated at the infirmary
Jeremy Attali-Pietri
Published on
15/10/2026 at 11:43
Updated on
15/10/2026 at 3:33 PM
In Saint-Renan (Finistère), several students from the Saint-Stanislas middle school were treated at the school infirmary. They had been exposed to a substance that turned out to be ammonia, according to the prefecture. Shortly after noon, 20 students were transferred to the Cavale Blanche hospital in Brest for preventative medical evaluations.
On Thursday, October 15, 2026, "an incident occurred" on a bus transporting students to their Saint-Stanislas school in Saint-Renan, France 3 Bretagne learned from the Finistère prefecture.
A couple reportedly "boarded the vehicle with a bag containing a substance ." The nature of this substance "remains to be determined ." By early afternoon, the precautionary measures put in place were lifted and the substance identified: it was ammonia. Classes were able to resume normally at the school.
Thirteen students in the infirmary
Thirteen students, directly exposed to this substance, were treated at the school infirmary. They had reported eye irritation and a tingling sensation in their throats.
The emergency medical service (SAMU) and firefighters were also on site.
Isolated contact cases
"As a precaution, the other students identified as close contacts have been isolated ," the authorities stated. Parents have been informed of the situation.
Shortly after noon, twenty students, as well as the bus driver, were transferred to the Cavale Blanche hospital in Brest to undergo a preventive medical evaluation.
...
A judicial investigation is still underway to determine the exact circumstances of this incident.
france3-regions.franceinfo.fr
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4:23 AM · Oct 15, 2026
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5:22 AM · Oct 15, 2026
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8:33 AM · Oct 15, 2026
"An incident has occurred": several students, exposed to this toxic gas, have been taken care of or isolated in their school.
In Saint-Renan (Finistère), several students from the Saint-Stanislas school are being treated at the infirmary
Jeremy Attali-Pietri
Published on
15/10/2026 at 11:43
Updated on
15/10/2026 at 3:33 PM
In Saint-Renan (Finistère), several students from the Saint-Stanislas middle school were treated at the school infirmary. They had been exposed to a substance that turned out to be ammonia, according to the prefecture. Shortly after noon, 20 students were transferred to the Cavale Blanche hospital in Brest for preventative medical evaluations.
On Thursday, October 15, 2026, "an incident occurred" on a bus transporting students to their Saint-Stanislas school in Saint-Renan, France 3 Bretagne learned from the Finistère prefecture.
A couple reportedly "boarded the vehicle with a bag containing a substance ." The nature of this substance "remains to be determined ." By early afternoon, the precautionary measures put in place were lifted and the substance identified: it was ammonia. Classes were able to resume normally at the school.
Thirteen students in the infirmary
Thirteen students, directly exposed to this substance, were treated at the school infirmary. They had reported eye irritation and a tingling sensation in their throats.
The emergency medical service (SAMU) and firefighters were also on site.
Isolated contact cases
"As a precaution, the other students identified as close contacts have been isolated ," the authorities stated. Parents have been informed of the situation.
Shortly after noon, twenty students, as well as the bus driver, were transferred to the Cavale Blanche hospital in Brest to undergo a preventive medical evaluation.
...
A judicial investigation is still underway to determine the exact circumstances of this incident.
"Un incident est survenu" : en contact avec ce gaz toxique, plusieurs élèves pris en charge ou isolés dans leur collège
A Saint-Renan (Finistère), plusieurs élèves du collège Saint-Stanislas sont pris en charge par l'infirmerie. Ils ont été exposés à une substance qui s'est révélée être de l'ammoniac, explique la préfecture. Peu après midi,...
france3-regions.franceinfo.fr
4:23 AM · Oct 15, 2026
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...
5:22 AM · Oct 15, 2026
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8:33 AM · Oct 15, 2026