Polonium and Kovtun

The public inquiry into the death of Alexander Litvinenko, supposed to be poisoned by polonium-210, recommenced on July 24th in London. Recently the businessman Dmitry Kovtun, suspected by the British authorities to be involved with this murder (as well as Andrey Lugovoy, deputy the Duma of Russian Federation), declared his desire to participate in the hearing via a videoconference from Moscow.