Hong Kong’s education minister has remained tight-lipped on whether the city’s largest teachers’ union has breached the national security law with its past political activities, saying only that enforcement agencies will “take appropriate actions” if necessary.But Kevin Yeung Yun-hung, touring the airwaves on Saturday morning, urged teachers to have a “thorough rethink” on their relationship with the 95,000-strong Professional Teachers’ Union (PTU), despite the opposition-leaning group taking…
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