Deborah Pfingston's son Andrew Ashcraft, 29, was one of 19 firefighters killed fighting wildfires in Arizona.
She paid a moving tribute to him, saying he 'lived and breathed' his work.
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A wintry start to the weekend
A teacher has died after being hit by a dislodged manhole cover which smashed through her windscreen.
A dog has been found with its paws frozen to the ground in a New York park after being chained to a tree.