The tragic tale of poisoned ex-spy Alexander Litvinenko continues to take many twists and turns. At the latest count, 12 London locations have tested positive for polonium, and are known to have been visited by Litvinenko and his associates. We've mapped the 11 that have been disclosed, plus Mr Litvinenko's final resting place, below.
Polonium Trail Mapped
Last Updated 08 December 2006