The owner of a restaurant in southern France has been arrested for involuntary manslaughter and assault after one person died and 15 others fell ill with botulism poisoning, prosecutors in Bordeaux said on Wednesday. Home-made preserved sardines were identified as poisoning the people between September 4 and 10, during the Rugby World Cup matches in Bordeaux. The owner will be placed under judicial supervision during the investigation and will no longer be allowed to work in the restaurant sector. The woman who died was a Greek woman living in France. The other victims were from Germany, Canad…