By Miguel Pereira and Pedro Nunes VIZEU DISTRICT, Portugal (Reuters) -Firefighters tackling deadly wildfires in central and northern Portugal had doused the flames in the Aveiro district, one of the worst-hit,

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's firefighters have mastered most of the deadly forest fires in the north of the country, according to official data Thursday.But there has been extensive damage in the north and centre of the country,