Russia’s Federal Security Service (FSB) says it has arrested 106 suspected members of a Ukrainian neo-Nazi group. Authorities carried out a number of raids across Russia on Monday against the “MKU” youth group, the FSB said in a statement. The group is accused of using social media and online messaging forums to plan “terrorist acts and mass murders”. The authority claimed that the suspects had been operating “under the auspices of the Ukrainian special services”. But Ukraine has denied any links to the suspects, amid rising tensions between the two countries. A Ukrainian security official told AFP that the allegations...