"Alright, alright everyone, there's no need to panic. We'll definitely wait until it's absolutely safe before supplying the middle and upper levels. When the time comes, thank you all for your hard work. Lunch is already prepared, please...",The 5th department, Urban Security Management Department, is commonly known as the police.,The policemen surrounding them backed away, one by one taking out a thumbnail-sized brooch from their pockets and tossing it to the ground. In an instant, the thumbnail-sized brooches swelled up, transforming into black shields in less than a second.。