In addition to the 27 dead, 51 people have been injured, including 15 in serious condition, Gaspar said. She also said that an unknown number of people were still missing.Later, Portuguese media reported the death toll had risen to 31. Civil protection officials couldn’t immediately be contacted to confirm the new total.Portugal has been especially hard-hit by wildfires this year, including one that killed 64 people in June. An independent investigation into those fires found last week that authorities failed to evacuate villages on time. The fire destroyed about 29,000 hectares, (nearly 72,000 acres).WATCH: Firefighters continue to battle California wildfires as winds force more evacuations
Click to play video: 'Firefighters continue to battle California wildfires as winds force more evacuations'
Firefighters continue to battle California wildfires as winds force more evacuations
A prolonged drought and mid-October temperatures of more than 30 C (86 F) have fueled the recent spate of blazes.Across the border in Spain, some 105 fires were reported in the northwestern Galicia region. Authorities said that four people had died, two of them trapped in a car. Thousands of people have been evacuated.WATCH: Firefighters battle wildfires in Spain
Click to play video: 'Firefighters battle wildfires in Spain'
Firefighters battle wildfires in Spain
Regional president Alberto Nunez Feijoo blamed arsonists for causing most of the blazes. He said “Galicia is fed up” with being attacked by arsonists who make the most of weather conditions, adding that some purposely tried to cause most damage by targeting urban areas.READ MORE: Wildfires tear through wine country in Northern CaliforniaFeijoo says 15 of the fires are posing a risk to towns. He added that 90 percent of forest fires each year in Galicia are intentional.He told reporters: “All of Galicia is weeping this morning for our razed hills, but especially for the loss of human lives.”Many of the fires were close to inhabited areas. Schools were closed Monday and at least 20 planes were joining 350 firefighting units in tackling the blazes. Light rainfall was expected to help extinguish the flames.Spanish Prime Minister Marian Rajoy, who is from Galicia, traveled to the region Monday to visit an emergency response center.Aritz Parra in Barcelona, Spain, contributed to this report.