The investigation into the 3 April terrorist attack on the St Petersburg metro has focused on a man of Central Asian origin with possible ties to Syrian rebel groups. The attack raises concerns about the threat posed both by Daesh and extremists within Russia’s sizeable Central Asian community.
British Foreign Secretary Boris Johnson was scheduled to visit Moscow this week. His trip has now been cancelled, partly because he wishes to intensify diplomatic pressure on Russia, but also because he is keen to persuade the new US administration about the virtues of foreign and security policy coordination.
It is a week since Khalid Masood ploughed his car into pedestrians on Westminster Bridge, killing three people, before fatally stabbing PC Keith Palmer just inside the Parliamentary Estate. London has seen it all before.