France probes possible sabotage after Normandy train derailment

French authorities are investigating whether a piece of rail found on the track was connected to the derailment of a regional passenger train in Normandy that injured 44 people, including an 18-year-old woman evacuated in critical condition.

The Nomad train was traveling from Rouen to Caen on Friday evening, September 11, when it derailed near Cléon in the Seine-Maritime department. It was carrying 186 passengers.

Police said the rail section was probably linked to the derailment, but investigators have not determined whether the circumstances were accidental or involved deliberate action. Possible sabotage remains an investigative theory, not an established finding.

What investigators know

The 18-year-old passenger was evacuated by helicopter to Rouen University Hospital, according to police information cited by independent reports. The injury total reached 44 by September 14.

Authorities have not publicly established that the rail section was deliberately placed or that it was definitively the cause of the derailment. Investigators are still examining the physical evidence and the sequence of events.

Service remains interrupted

SNCF Nomad said in a September 14 update that train movements remained interrupted in both directions between Rouen and Elbeuf. The operator reported major damage to the track and electrical installations, described the repairs as complex and said the reopening date remained undetermined.

Passengers using the Rouen–Elbeuf segment should expect continuing disruption and check the latest SNCF Nomad information before traveling.

SNCF said trains would operate between Caen and Elbeuf, while Yvetot–Rouen–Elbeuf services would terminate at Sotteville. The operator also listed alternative connections, including local transit options between Rouen and Elbeuf and between Rouen and Oissel, along with information on ticket exchanges and refunds. Travelers should verify the conditions that apply to their specific journey before setting out.

What remains unanswered

The central security question is whether the damaged rail was involved through accidental infrastructure failure or deliberate obstruction. Investigators must still establish the sequence of events, assess the physical evidence and determine whether any criminal act occurred.

For passengers, the immediate issue is operational: the affected section between Rouen and Elbeuf remains closed while repairs continue. The cause remains unresolved, and the service timetable may change as SNCF assesses the damage.

Travelers should verify schedules, replacement connections and ticket policies before traveling. The sabotage theory remains unproven unless investigators or prosecutors announce a different finding.

Sources

• SNCF Nomad Train incident update, September 14, 2026
• Associated Press report on the derailment investigation
• Le Monde report citing French authorities
• Agence France-Presse report on the September 11 derailment