Hong Kong Chief Executive Carrie Lam Cheng Yuet-ngor said on Tuesday in light of the special circumstances in recent events, participants under the age of 18 who were involved in vandalism and violent clashes within the campus should be treated in a very humanitarian way. "If they come out peacefully, we will just put down their data. So we make a record of their personal data, and they may leave the campus," Lam said.