One of those injured is in a critical state and was evacuated by helicopter, the head of the local authority, the prefect, Jean-Benoit Albertini, told reporters. The train derailed after hitting an unidentified object, a spokesperson for the French police ‌said. Key points and original sources are listed below.

• One of those injured is in a critical state and was evacuated by helicopter, the head of the local authority, the prefect, Jean-Benoit Albertini, told reporters.S1

• The train derailed after hitting an unidentified object, a spokesperson for the French police ‌said. The French railway operator, SNCF, ​said that an investigation to identify the cause of the ⁠accident was underway.S2