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

Portugal asked for more fire-fighting planes on Monday as at least 15 blazes raged in central and northern regions, including one that burned houses on the outskirts of the town of Albergaria-a-Velha.

Several people have lost their lives in forest fires that have been raging in Portugal since the weekend. Thousands of firefighters have been deployed to combat the flamesThree firefighters died Tuesday as dozens of wildfires raged in the central and northern regions of Portugal.