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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Sergeant Elor Azaria was caught on video shooting dead the wounded assailant, sparking one of the most divisive cases in Israel's history.
CAFOD said: "Hunger is evident in the thinness of children, and the way clothes hang from the bodies of people already suffering."
Police believe it is a "distinct possibility" that Halliwell was a serial killer, beyond the two murders he was convicted for.