Families of Brazilian plane crash victims gather in Sao Paulo as French experts join investigation The Associated PressGirl, 3, and boy, 4, confirmed dead in Brazilian plane crash as rescuers retrieve bodies CNNExplainer: What caused Brazil plane crash that killed 62 people? ReutersWhat We Know About the Plane Crash in Brazil The New York TimesBrazil plane crash in Sao Paulo state kills all 61 aboard, airline says The Associated Press