Foreign involvement cannot be ruled out yet in the widespread sabotage of France’s rail system that disrupted travel and caused chaos on the opening day of the Olympic Games Friday in Paris, according to reports. “Who is responsible? Either it’s from within, or it’s been ordered from abroad; it’s too early to say,” Interior Minister Gerald Darmanin told the French media,Reuters reported. “We have uncovered a certain number of elements which lead us to believe that we will know fairly quickly who is responsible,” he said. French Prime Minister Gabriel Attal said security forces are continuing t…