More than 100 wildfires are stretching thousands of firefighters to the limit in northern Portugal

LISBON, Portugal -- More than 100 wildfires stretched thousands of firefighters to the limit in northern Portugal on Wednesday, with seven deaths since the worst spate of fires in recent years 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 on Thursday.