Chapter Twenty-Four
Grace was busy liberating the gray van driver of his weapon when Damien thought he heard something from behind the van. A rumbling sound. He moved around Grace, elbows tucked in and MP7 close to his face. There was nothing there. He checked the van’s underbelly and found no evidence of explosives. The rumble was coming from beneath him.
‘Can you hear that?’ he said.
‘What?’ she said.
‘The rumbling.’
‘That’s the underground gas main.’ She glared at him. ‘You can hear infrasound, you idiot.’
Damien lowered his MP7. ‘Oh.’
She turned her attention to the street behind them. Bystanders were staring at them, but she didn’t seem to care. Damien wondered if she’d spotted the police, or maybe the army or marines were making an appearance. But he couldn’t hear their arriva
