The video is long but a discussion at 4:50 mark on the video. (In Chinese)
English Google translate:
[July 27, saying 1:15 latest news and changes increased write the article title]
Pui Ling Precious Blood Primary School and the school teacher Lin Huisi night issued a statement. Lin Huisi expressed for his inappropriate language, to schools, colleagues, parents and students to apologize. Said school teachers in public places for improper behavior, aroused discussion, deeply regret, and teachers has issued a statement of apology, I hope parents and the public understand.
Road see injustice, speak up for ordinary people, because of foul language and apologized. An emerging public pro / pro-government associations, but continue to use violent behavior, and constantly undermine freedom of expression in Hong Kong civil society, environment, and the gloating, law enforcement agencies so far nothing. What is Hong Kong to do?