NEW : Two brothers of the boy killed are in fair condition at an Alabama hospital . `` ( Birmingham Airport Authority ) NEW : The father and brother were found dead inside a home on Saturday morning, police said Sunday afternoon. A flight display board falls on a family at the airport in Birmingham , Alabama . Birmingham 's mayor promises , `` I will get answers '' as to why this happened .
NEW : Two brothers of the boy killed are in fair condition at an Alabama hospital . NEW : The father and brother were found dead inside a home on Saturday morning, police said Sunday afternoon. A flight display board falls on a family at the airport in Birmingham , Alabama . Birmingham 's mayor promises , `` I will get answers '' as to why this happened .