The story is well documented here at Dorotrigan
According to Izvestiia, an explosion has occurred at the Minsk Metro station of Oktiabr’skaia. It took place during the rush hour and is reported has having caused seven fatalities. A further 35 people have been injured. President Lukashenko has called the emergency services into action to deal with the situation, but who or what was behind the blast has yet to be declared or ascertained. Belarus has not hitherto experienced Islamist extremism, but it is unclear what possible motive any other group could have for targeting Belarussian commuters.