Four members of the same family, including two young children, were killed in a gas explosion that caused their home to partially collapse in southern Italy. The tragedy occurred in the town of Saviano, near Naples, where a two-storey house was destroyed by the blast early Monday morning. The victims include a boy and a girl, their mother, and their grandmother. Italian firefighters, the Vigili del Fuoco, said the father and a newborn baby were rescued alive from the rubble. The father remains in serious condition at a hospital in Naples, while the baby’s injuries are not life-threatening, acc…