# Coudekerque-Branche: municipal police screen for nitrous oxide

> Since September, municipal police officers in Coudekerque-Branche have been conducting screening operations for nitrous oxide, a gas responsible notably for the death of Mathis in Lille in 2025.

**In brief**: Security event (severity: info) in Coudekerque-Branche (Nord), first detected on 2 November 2026 at 18:54. Reported by 1 source (1 article), last updated on 2 November 2026 at 18:54. Reported toll: 1 death.

- Category: Security
- Severity: Info
- Place: Coudekerque-Branche — Nord
- First detected: 2 November 2026 at 18:54
- Updated: 2 November 2026 at 18:54
- Web page: https://acturadar.com/en/events/7748-coudekerque-branche-municipal-police-screen-for-nitrous-oxide

## Reported figures

- 1 deaths

## Sources (1 articles)

- ["C'est comme un éthylotest" : comment fonctionne le détecteur de protoxyde d’azote utilisé par la police de Coudekerque-Branche ?](https://france3-regions.franceinfo.fr/hauts-de-france/nord-0/dunkerque/c-est-comme-un-ethylotest-comment-fonctionne-le-detecteur-de-protoxyde-d-azote-utilise-par-la-police-de-coudekerque-branche-3443022.html) — France 3 Régions, 2 November 2026 at 18:54

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Cite as: Acturadar, “Coudekerque-Branche: municipal police screen for nitrous oxide”, https://acturadar.com/en/events/7748-coudekerque-branche-municipal-police-screen-for-nitrous-oxide
Methodology: https://acturadar.com/en/methodology