CCTV images of Minsk Metro bomber published
The man was carrying a heavy bag, which he left at the metro station. Then he walked away, waited at a safe distance for more people to gather and triggered the bomb with a radio signal, Deputy Prosecutor General Andrey Shved told journalists.
So far, Belarusian police have detained five people over the bombing. Two of them, including the man believed to be the bomber, are in custody.