Chen Lijuan got up and speedily brought out the water bottle from her backpack and gave her a drink. Immediately she gulped down the water, the girl started vomiting blood. In less than a minute, two men came in with the security man. They saw the girl choking and immediately called for an ambulance.

"What happened here, student?!

Chen Lijuan could not answer. She was stunned by the scene. She didn't know what she would say to her parents to escape thrashing that night.

"Come, let's go out"

She followed the man out and right outside, it was like another world. There were police men everywhere and the ambulance just...