Atrocity underscores need for vigilance in face of threat from branch of Islamic State that appears to be on the rise
It was a warning that proved grimly prophetic. Just over two weeks ago, as Russia’s presidential election was reaching its final stages, the US embassy in Moscow said it was “monitoring reports that extremists have imminent plans to target large gatherings in Moscow, to include concerts” over the ensuing 48 hours.
The unusually clear public alert was repeated by the UK, which reiterated its longstanding advice, warning British citizensagainst going to Russia. As a close ally in the Five Eyes intelligence alliance, Britain will have seen whatever raw intelligence the US warning was based on, most likely intercepted communications.
