Helicopters collide over Rio de Janeiro, killing 6 Toronto Star6 people killed after helicopters collide in Brazil CBCOliver Tree, “Life Goes On” and “Miss You” Singer, Dies in Helicopter Crash at 32 The Hollywood ReporterOliver Tree, ‘Alien Boy’ and ‘Life Goes On’ Musician, Dies at 32 Yahoo News CanadaSinger Oliver Tree Dead at 32 After Helicopter Crash in Brazil TMZ
