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 more than 1,700 people to flee their homes and leaving a firefighter dead.

Wildfires have engulfed Turkey for weeks, threatening Bursa, the country’s fourth-largest city and forcing over 1,700 people to flee.