C1720 Forced Intrusion(part Ii)

At the same time Bai Xiaohei rushed out, the staff member already got up from the ground. He stared at the staff member who was stunned and shouted: "What the fuck are you standing there for? Hurry up and send the alarm! "

When the other staff member heard this, he also reacted. He then pulled out a whistle from his collar and blew on it loudly.

The whistling sound was extremely sharp