A Hong Kong school principal, Lee Cheuk-hing, has been fired after he swore at security guards during a student trip to Singapore last month, with the school refusing his resignation for violating staff code of conduct.

Online debates continue regarding a Hong Kong school principal, Lee Cheuk-hing, who was filmed verbally abusing two South Asian security guards in Singapore, with opinions divided on whether his behavior was bad-mannered or racially biased.