The Islamic State concert hall attack in Moscow is terrifying — and it could well happen in London

It is a grisly reminder that the Islamist threat to Europe hasn’t gone away. While our attention was elsewhere, this IS franchise, which a Royal United Services Institute specialist, Dr Antonio Giustozzi, describes as “one of the most resilient terrorist organisations on the planet”, has been seeing off attempts by the Taliban — yes, them — to suppress it. IS-K has reportedly been planning attacks in Turkey and Europe and earlier carried out an attack in Iran. Interestingly, it makes use of women.