CN Rail says safety is its top priority as it resumes rail service after a derailment in Quebec on the outskirts of a residential area northeast of Montreal. The incident occurs near Repentigny, where CN and local officials carry out cleanup and monitoring work as service returns. Repentigny Mayor Nicolas Dufour says many residents feel reassured by the measures being taken, but some still express ongoing safety concerns. Both sources frame the response around CN’s stated focus on safety and the steps taken following the derailment, including work conducted at the site and assessments intended to ensure the area is safe before normal operations continue. The reporting also indicates that no dangerous materials are spilled, reducing the potential for hazardous impact on the surrounding community. Overall, the information presented centers on the restart of train service, CN’s safety messaging, and the mixed public reaction from nearby residents during the recovery and verification process.