Saiyed, who hails from Khammam, was held with castor oil which is used to make ricin, which is a Category B agent that is moderately easy to disseminate according to the US Centers for Disease Control.

xHyderabad: The discovery that Hyderabad-based doctor Ahmed Mohiyuddin Saiyed, arrested by the Gujarat Anti Terror Squad (ATS) on Sunday, was preparing the highly poisonous ricin was a chilling reminder that bio-weapons and radical networks were merging, a Central agency official told Deccan Chronicle .

Saiyed, who hails from Khammam, was held with castor oil which is used to make ricin, which is a Category B agent that is moderately easy to disseminate according to the US Centers for Disease Control. The Chemical Weapons Convention (CWC) lists ricin as a Schedule 1 toxic chemical under

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