- Railway police have begun using facial-recognition eyewear to catch criminals.
- In tests the glasses identified faces within 100 milliseconds.
- Seven people have been arrested for a range of previous crimes, and another 26 were banned from travel.
- China has been ramping up its use of facial-recognition technology as it moves toward a nationwide database that can recognise any citizen within three seconds.
Chinese railway police are using facial-recognition sunglasses to catch suspects at train stations in Zhengzhou, the capital of central Henan province.