View image in fullscreenThessaloniki, GreeceA firefighting helicopter drops water on a fire in Oreokastro. According to the fire service, the flames ignited in a ravine within a mountainous area on the evening of 4 July and spread quickly, affecting several businesses and prompting evacuations in nearby settlementsPhotograph: Achilleas Chiras/EPAShareView image in fullscreenThessaloniki, GreeceA wildfire on the outskirts of the northern city Photograph: Giannis Papanikos/PAShareView image in fullscreenThessaloniki, Greece Smoke rises from a wildfire on the outskirts of the city.