Beware, global jihadists are back on the march

From The Ecomomist

When jihadist gunmen shot their way through Crocus City Hall in Moscow on March 22nd, killing more than 140 concert-goers and setting the venue alight, intelligence agencies across the West were aghast. It was the clearest warning that Islamic State (is), seemingly smashed five years ago, is returning to spectacular acts of international terrorism. Western countries fear becoming targets.