Alexander Litvinenko: ex-KGB agent’s death by polonium-210 leaves long trail

In one of the most shocking, blatant political assassinations in recent history, Russian dissident Alexander Litvinenko was murdered in 2006 in London, when lethal polonium was slipped into his cup of tea at a London hotel.

Source: Alexander Litvinenko: ex-KGB agent’s death by polonium-210 leaves long trail