Wildfires that have engulfed Turkey for weeks threatened the country’s fourth-largest city early Sunday, causing more than 1,700 people to flee their homes and leaving a firefighter dead.

Wildfires that have engulfed Turkey for weeks spread rapidly overnight, threatening Bursa and forcing 3,500 to flee. Greece and Bulgaria are also contending with fires.

Wildfires that have engulfed Turkey for weeks threatened the country’s fourth-largest city early Sunday, causing hundreds of people to flee their homes. Overnight fires in the forested mountains surrounding Bursa in northwest Turkey spread rapidly, bringing a red glow to the night sky over the city’s eastern suburbs.