This story has been made freely available as a public service to our readers. Please consider supporting SCMP’s journalism by subscribing. New users who download our updated app get a seven-day free trial. Hong Kong’s weather forecaster will issue the No 3 typhoon warning signal at 12.20pm on Saturday, as strong winds from a severe tropical storm are expected to intensify later. Severe Tropical Storm Wutip, the Cantonese word for “butterfly”, has entered within 800km (497 miles) of Hong Kong,...