An electrical failure first hit the Gare du Nord (10th arrondissement of Paris) in the late afternoon. A power supply fault in St-Arnoult also leads, according to BFMTV, to a major mess.

The situation should at least last "until late evening," simply says the SNCF on Twitter. The day before, traffic had already been affected because of a torn catenary at Montparnasse (15th arrondsment) in Paris.