Hong Kong’s short-haul visitor arrivals plunged 15 per cent in June despite overall growth, as higher fuel costs linked to the Middle East conflict reduced flight capacity and weaker regional currencies dampened travel demand, the tourism board said.The Hong Kong Tourism Board said on Thursday the city received 3.72 million visitors last month, up 7 per cent from a year earlier, driven largely by a 10 per cent rise in mainland Chinese arrivals to 2.88 million.But the number of non-mainland...