Thai police investigate Koh Tao rape case

Thai police and forensic officials are to visit the Koh Tao today to investigate an allegation by a British tourist that she was drugged, robbed and raped during her stay on the island in late June this year. Koh Tao island in the gulf of Thailand is a popular tourist destination, especially among young backpackers. But series of tourist deaths in the past few years has raised concerns about the security there. Here's my report.