Atomic agency considering revising opinion of spy poison.

The poisoning of former Soviet spy Alexander Litvinenko has prompted the International Atomic Energy Agency to consider whether the safety rating of the substance involved — polonium-210 — should be upgraded.

Read the news in brief piece here.

Atomic agency considering revising opinion of spy poison.

The poisoning of former Soviet spy Alexander Litvinenko has prompted the International Atomic Energy Agency to consider whether the safety rating of the substance involved — polonium-210 — should be upgraded.

Read the news in brief piece here.