Terror threat upgrade shows 'one attack won't be enough' for ISIS

But terror expert Antonio Giustozzi told The National that the orders for the attack almost certainly came from ISIS commanders currently sheltering in Syria, Iraq or Turkey. “ISIS-Khorasan had a support role but it was the central leadership which gave the orders to do this,” said the analyst at the Rusi think tank. “They realised that they are in terminal decline, they have no ‘caliphate’, and an image problem of defeats and losses so they are trying to change the narrative.”