(FILES) US singer Oliver Tree performs onstage during Austin City Limits Music Festival at Zilker Park in Austin, Texas on October 16, 2022. US singer-songwriter Oliver Tree, who was in Brazil on a world tour, was aboard one of the helicopters that crashed in Rio de Janeiro on June 14, 2026, leaving all occupants dead, a police source told AFP. The alternative singer and internet personality is listed on a manifest of six people shared by the source, who said the victims could not be formally identified yet as they were badly burned in the crash. (Photo by SUZANNE CORDEIRO / AFP via Getty Images)