Mourning Greece calls for help to battle deadly bushfires

Three days of national mourning have been declared in Greece, where at least 74 people have been killed in wildfires.

Burned cars in Argyra Akti, Mati, close to Nea Makri, in Attica, Greece Source: AAP

The fires, which swept through a seaside resort near the capital Athens, have now been contained. 

But the risk of them reigniting in the searing summer heat remains.