Some 2,300 rail passengers were stranded in stations in the south of France overnight after a power failure in the Var region. <br /><br />Two high-speed trains running between Paris and Nice were brought to a standstill, in Toulon and Carnoules. <br /><br />The trains reached their destinations on Sunday morning, passengers arriving in Paris 17 hours after leaving Nice.<br /><br />The French state rail company called the power cut “unacceptable” and promised legal action.<br /><br />The delays coincided with an ongoing nationwide strike by rail staff which has halted many trains.