Home Secretary Theresa May announced that a public inquiry will be held into the death of the former Russian spy Alexander Litvinenko.
May said: "I very much hope that this inquiry will be of some comfort to his widow."
Litvinenko, 43, died after drinking tea that was poisoned with the radioactive substance polonium-210.
His widow, Marina is expected to speak later today.
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The Kremlin has released pictures of Russian President Vladimir Putin working out at the gym with Prime Minister Dmitrty Medvedev in Sochi.
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The brother of British holidaymaker Steven Cook who vanished in Crete 10 years ago has his family are "sure he's alive".