They were highly skilled and trained to battle raging wild fires, but the flames proved too much for 19 elite US firefighters who were all killed doing their job.
It is the biggest loss of life among firefighters since the 9/11 terror attacks.
The wildfires started near the town of Yarnell, 80 miles northwest of Arizona'a capital Phoenix.
ITV News Washington Correspondent Robert Moore reports:
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A humid night for some with thundery downpours in places.
The 20-year-old was found fatally wounded on Roth Walk, near Finsbury Park, north London at around 3am on Saturday, Scotland Yard said.
Daniel Cowell has been jailed for five years and four months after ramming a police patrol car with a stolen transit van.