Hong Kong doctor Ben Ng Siu-bun still remembers the horrors of war in conflict-torn Gaza. The 52-year-old anaesthesiologist joined a humanitarian mission organised by the International Committee of the Red Cross to Gaza in March this year, providing medical services to those who were injured or ill. During his six-week stay at a field hospital in Rafah, southern Gaza, Ng said about half of the patients sent there were suffering from gunshot or blast injuries. He recalled treating a 12-year-old...