 Hello, I'm Elaine Chong, and coming up, it's BBC Trending. It's one of the most bizarre crimes of our times. Scammers pretending to be police officers are forcing Chinese foreign students to fake their own kidnappings. Victims are coerced into making their own video of them being in a vulnerable position to appear as if they've been kidnapped, tied up with tomato sauce on their body to make it look like they've been bleeding. That's coming up after the latest world news.