1. U.S. singer Oliver Tree among six killed in helicopter crash in Brazil  The Washington Post
2. American singer Oliver Tree listed aboard helicopter involved in fatal midair collision in Brazil  CNN
3. Six people killed as helicopters collide over Brazil’s Rio de Janeiro  Al Jazeera
4. Oliver Tree’s Ex Melanie Martinez Remembers The “True Artist” — Kid Cudi, Bebe Rexha & More Pay Tribute  Deadline
5. Oliver Tree, “Life Goes On” and “Miss You” Singer, Dies in Helicopter Crash at 32  The Hollywood Reporter

Source: Google Finance – Market News