They fled as fast as the space allowed, Eva having to duck in several places. They could have been two or maybe three hundred yards away when the screen finally gave, the glass smashing to the floor with a noise that echoed down the tunnel and made Eva’s already thumping heart beat that much faster. Howling voices echoed from behind, and the distant sound of footfalls signalled the pursuit. Then they were out in a bigger room, emerging from what looked like a safe. Swanson swung the door shut and rotated a huge wheel to lock it. “They aren’t getting through now. Out there. Get in the car.” Swanson signalled, and Eva did as instructed, emerging onto a side street bathed in late afternoon sun. Outside a range rover in desert camouflage colours waited, door already open, and ARC security s

