Greek authorities seek answers after six killed in Athens apartment block explosion

Emergency teams discovered victims after two-storey building in historic Plaka district collapsed in seconds'

Greek authorities say they are trying to discover what caused a two-storey apartment block in the heart of ancient Athens to collapse in a matter of seconds", killing six people.

Emergency teams found the victims, including four American tourists, on Saturday, more than 24 hours after the early morning explosion in the historic Plaka district.