Rescuers continued searching on Sunday for a nine-year-old boy who has been missing since he was swept away by a giant wave in the eastern Chinese province of Zhejiang.The incident, in the coastal town of Shitang, happened on Friday afternoon – a time when a typhoon warning was already in place as Typhoon Dolphin headed towards the province.Local officials warned that high tides, rapid currents and dangerous whirlpools had made the search efforts very difficult, according to media...