A Hong Kong school principal who was sacked after he swore at security guards during a student trip to Singapore has expressed “shock and regret” over his immediate dismissal, saying he will seek legal advice on his employment rights. Lee Cheuk-hing, former principal of San Wui Commercial Society Secondary School in Tuen Mun, said in a statement on Friday that he had appointed legal representatives to review his dismissal after the school board rejected his resignation and terminated him with...