The widow of poisoned spy Alexander Litvinenko, Marina, is "utterly dismayed by the coroner's decision to abandon his search for the truth about Russian state responsibility for her husband's death", her solicitor has said.
More top news
Who's in charge and what happens if there's an international crisis? Here are answers to key questions about the dissolution of parliament.
Human error was to blame for the leak, emails obtained through Freedom of Information requests by the Guardian said.
The new Playstation Music app will allow gamers to stream songs through their consoles.