Firefighters have been working to bring a wildfire under control close to the US town of Yarnell, about 90 miles north-west of Pheonix, Arizona.
The local press is reporting that state authorities plan to call in federal help to battle the 2,000-acre blaze.
About 200 firefighters are working to control the blaze, which has destroyed several homes in the community.
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The so-called Islamic State group has released a video, which purportedly features a British boy, appearing to execute a prisoner.
The two-year-old's condition is said to be "life-threatening" after he was struck by a car while out walking with his grandfather in London.
Lord O'Donnell, who used to head up the Civil Service, says he believes Britain may not actually exit the European Union.