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Authorities in Los Angeles County say a mail carrier came to the rescue of a 70-year-old man who accidentally cut his own arm with a chainsaw while repairing a roof.

U.S. Postal Service mail carrier Fernando Garcia was wrapping up his shift in Norwalk when he heard a loud scream from a nearby house and rushed to help.

Garcia said he found Miguel Cabral with a cut to the arm and used his belt as a tourniquet.

He stayed with him until an ambulance arrived.

Cabral said he told Garcia thank you “a million times” and that he is the “real hero.”