Q&A on polonium: Swiss say Arafat was poisoned

LONDON (AP) — The deadly radioactive element polonium first hit the headlines when it was used to kill KGB agent-turned-Kremlin critic Alexander Litvinenko in London in 2006.

Source: http://health.yahoo.net/news/s/ap/q-a-on-polonium-swiss-say-arafat-was-poisoned

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