In response to a question, the mayor specifically denied that there was a higher alert regarding an attack using cyanide.

Nineteen of the company's mines have since been certified under the code, while three Barrick operations do not use cyanide.

This is much cleaner than the traditional heap leaching using cyanide.

They are also more likely to use cyanide, which, if handled properly, is less dangerous than mercury.

On capture, both tried to commit suicide using cyanide.

P. pseudoalcaligenes is able to use cyanide as a nitrogen source.

We consider that the three current investment plans to mine gold using cyanide in Greece should be dealt with by banning this technique.

However, when we use cyanide, we expose both the environment and our citizens' health to irreparable danger.

In any case, experts say that using such alternative agents poses greater risks than using cyanide.

In Europe there are several mining projects using cyanide.