Release of chemical ‘would cause fear and panic’

OSMIUM TETROXIDE is the chemical believed to be at the centre of an alleged bomb plot foiled by ‘British and American intelligence agents.

It is thought the supposed plan involved detonating an explosive device and the compound.

Andy Oppenheimer, a nuclear, biological and chemical weapons expert for Jane's Information Group, said osmium tetroxide was an unusual choice as a chemical weapon but it could kill.