C752 Brother lifelong brother(5)

Roughly five minutes after the security guards left, another burst of sirens sounded. Following that, like a movie replay, the security guards brought the dogs back to the lawn.

"What's going on?" The leader of the security guards walked out with big steps and frowned. It was obvious that he was not in a good mood right now.

"I don't know." Many of the security guards shook their heads