Russia’s Foreign Ministry said on Monday that the Czech Republic’s extradition to the United States of Yevgeny Nikulin, a Russian charged with hacking US tech companies, appeared to be aimed at damaging ties between Moscow and Prague. Nikulin was extradited to USA last week, where he pleaded not guilty to charges that he hacked into the systems of three US technology firms, potentially compromising the personal details of at least 100 million users, including on LinkedIn.