The body of an 80-year-old grandmother was recovered from the rubble of a residential building which collapsed after a gas explosion near the southern Italian city of Naples. The woman from the small town of Saviano was found dead during the night, the fire brigade said in the early hours of Monday. The body of a 41-year-old woman and two of her children, aged 4 and 6, had been recovered on Sunday following the explosion. The woman’s 40-year-old husband and another child, aged 2, were taken to hospital with serious injuries on Sunday. The couple and their three children lived on the first floo…