At least four people are reported dead after a train derailed near Paris, according to reports.
Images on social media site Twitter show twisted wreckage near what looks like a train station. Several train cars appear to be involved.
The Le Parisien news is reporting 4 dead, 10 injured in the derailment near Bretigny-sur-Orge; 350 aboard seven-car train.
Initial reports on social media sites said there were 'many casualties.' One government report said there may be 7 fatalities.
Sky News reported at least one fatality, citing an unnamed police source.
According to a Sky News report, "The train arrived at the station at high speed. It split in two for an unknown reason. Part of the train continued to roll while the other was left on its side on the platform," police source told the British news agency.