Guardian: Barack Obama sent condolences to the families of 19 firefighters killed in an Arizona wildfire, praising the elite crew as "heroes". It was the deadliest loss of wild land firefighters since 1933.
The firefighters were members of an elite "hotshot" crew, deployed near the small town of Yarnell, Arizona to fight a lightning fire, fuelled by hot temperatures and high winds.
Hotshot teams undergo special training to hike deep into the wilderness during a wildfire, carrying chainsaws to clear brush...