The phenomena will include declining temperatures and even hailstorms in some regions
winds
More than 50 were injured
Electrical storms with high lightning activity forecast
The extreme weather has affected the whole of Greece
The bulletin also predicts heavy storms and low temperatures
Heavy winds and strong rain expected
Authorities have advised citizens to be extremely careful
Four people have lost their lives, while one is still missing
The weather phenomenon expected to hit Athens later on Saturday
The country is the grip of extreme weather conditions
