A fire continues to burn in the Doerner Fir, one of the world's tallest trees in Oregon, three days after it started. The 325ft tall, 450-year-old tree has already lost 50ft to the blaze, threatening its height ranking. Firefighters are battling the fire amid hot, dry weather, exploring unconventional methods like scaffolding to reach higher flames.

Prepared by Olivia Bennett and reviewed by editorial team.