[running in from
here]
Klavier immediately closed the door behind him, pressing his back against it as though to prevent anyone or anything from barging in after him. He tried to quell his breathing and concentrate on listening for any sounds of pursuit or danger. Several moments passed with nothing but the sound of his heart pounding in his ears. Finally, he exhaled in relief and stepped away from the door. It seemed as if he'd gotten away without attracting attention.
But he wasn't completely clear yet. The building was dangerous and there was no room completely safe. He swept the flashlight through the room, warily moving deeper in. He didn't hear signs of movement, but it was too early to declare it safe enough to relax.