India, Nov. 21 -- On November 9, the Gujarat Anti-Terrorism Squad (ATS) arrested three suspects, including Dr Ahmed Mohiuddin Syed, in connection with the conspiracy involving firearms. A Hyderabad-based MBBS doctor, according to Gujarat ATS, was held with chemicals needed to make ricin, a lethal toxin with no known antidote.

Investigators said the quantities of precursor chemicals seized from his home could have yielded a toxin capable of causing many deaths.

Dr Saiyed, 35, now at the centre of the case, built a quiet life in a narrow lane of Hyderabad after returning from China.

"He completed his MBBS degree from 2008 to 2013 but failed to clear the Medical Council of India exam required to practise in India. he returned home but cou...