Parts of Athens are without power after a 5.1 magnitude earthquake shook the Greek capital.
The quake lasted for around 15 seconds and caused two buildings to collapse.
There have been reports of casualties or serious injuries.
Several aftershocks have already been reported and experts warn that there could still be more.

Kenya tourist helicopter crash kills seven
US, South Korea to cut length, scope of military drills after Trump order
Central African Republic gold mine collapse kills at least 100
Israeli airstrike kills nine Palestinians at Gaza police station
Thai schools hold shooting response drills after deadly school attack