Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
Alex Goldfarb has filed a complaint in federal court in Manhattan after broadcasts on RT and Channel One blamed him for the former Russian spy’s 2006 death in London
Editorial: The Ukrainian authorities say they had to stage the killing of an exiled Russian reporter to protect him. But their decision has serious repercussions
Moscow will not cooperate with an investigation into the Salisbury attack. The president relies on spreading doubt, says Guardian columnist Jonathan Freedland
Letters: Readers react to the poisoning of the Russian spy Sergei Skripal, while
Helena Kennedy questions the government’s position on visas for human rights abusers
Russian interference goes beyond spying to the very heart of Britain