Hong Kong police have been given an advisory role in Egypt's investigation into the deadly hot-air balloon crash in Luxor that killed 19 tourists, including nine Hongkongers. The head of the investigation, Walid el-Moqadem, told Associated Press yesterday that while Hong Kong, would not be sending investigators at present, they had been granted an advisory role - along with Britain, Japan and Hungary. They would also be kept appraised of his progress through e-mails.