Japanese city placed on high alert after supermarket sold fish more poisonous than cyanide

A Japanese city has been placed on high alert after a supermarket sold portions of a potentially-deadly blowfish more poisonous than cyanide. 
Read more: http://www.independent.co.uk/news/world/asia/japan-fish-poisonous-gamagori-city-high-alert-cyanide-danger-a8162591.html?source=Snapzu