Wildfires that have engulfed Turkey for weeks spread rapidly overnight Saturday, forcing more than 3,500 people on Sunday to flee the eastern suburbs of Bursa, the country’s fourth-largest city. Firefighters are also battling wildfires in neighbouring Greece.

High winds and soaring temperatures — which hit a record 122.9 degrees last week — have hampered firefighters. The fires have killed at least 17 people.

Firefighting planes and helicopters were in continuous operation in Greece, where emergency services continued to battle fierce forest fires across several parts of the country on Sunday.The area north of Athens,