A dad who once tipped the scales at 22 stone will run Sunday's London Marathon after losing more than half his body weight in just 18 months.
Asthmatic Dominic Camponi, 38, once struggled to walk up the stairs without getting out of breath, but will complete the iconic 26.2 mile run in the capital after his staggering transformation.
The teaching assistant, who once wore 4XL clothes and now fits into a slimline medium, feared he would not see his son Henry, six, grow up as his weight was making his lung condition worse.
