Arizona grandpa to undergo amputation after collapsing on scorching sidewalk

A 72-year-old man collapsed on a 120-degree sidewalk in Arizona and suffered severe burns that will require above-knee amputation of his leg.

An Arizona grandfather is set to lose both his legs after he tripped and collapsed on a sidewalk during a scorching 120-degree day. Grant Siler, 72, from Mohave County, laid helpless after falling during a walk in Bullhead City, which saw his body temperature rise to over 105 degrees, on Aug. 3. He fell outside and was