Hong Kong’s 21 ministerial-level officials spent more than HK$46.6 million (US$5.9 million) on trips over the past three financial years, with finance chief Paul Chan Mo-po accounting for nearly a quarter of the total.Secretary for Commerce and Economic Development Algernon Yau Ying-wah was the most frequent traveller, making 50 trips in the past three years at a cost of HK$7.21 million to taxpayers, official records released to legislators showed.Chan made 35 visits during the three financial...