Spain declared a national emergency as wildfires spread west of Madrid and across Avila and Guadalajara.
Thousands of residents were evacuated, and the interior ministry took charge of coordinating the firefighting.
In France, tens of thousands were evacuated, and it sought help through the EU Civil Protection Mechanism.
The fires are being driven by a severe heatwave, prolonged drought and strong winds.
Crews from Greece, Italy and Portugal joined Spain's response, reflecting cross-border cooperation.
Framework through which European states pool and share disaster-response resources such as firefighters and aircraft
GS Paper 3 > Environment, Climate Change and Disaster Management
General Awareness > Environment and World Current Affairs
A declaration that centralises command of the response to a large-scale crisis.
A European framework for sharing disaster-response resources across member states.
A prolonged period of excessively hot weather, which raises wildfire risk.