Containers packed with the deadly poison ricin may have been brought to Britain, according to a newspaper report. The Observer said French police had told their British counterparts that the chemical had been manufactured by an Islamic militant. French investigators have been trying to track down dozens of containers of ricin suspected to have been made in a makeshift laboratory in Lyon by Menad Benchellali. Benchellali was arrested during police raids 18 months ago. The ricin, which can kill in hours if inhaled, injected or ingested, is believed to have been stored in the form of a white powder in...