More than 100 wildfires are stretching thousands of firefighters to the limit in northern Portugal. The country’s worst spate of fires in recent years is blamed for seven deaths since they spread out of control over the weekend.

Portugal has declared a day of national mourning to mark the deaths of seven who died in wildfires that have burned through the country's west coast.

Portuguese authorities have detained 14 suspected arsonists linked to deadly wildfires. These fires have claimed lives and devastated vast areas. Experts highlight rural neglect and economic motives behind the arson.