Musician and content creator Oliver Tree has died following a helicopter crash in Rio de Janeiro on June 14, 2026. News of his death prompted an emotional tribute from fellow artist KSI, who described Tree as a “lifelong legend” and shared personal photographs. The crash has sparked an outpouring of grief from fans online, who are sharing memories of the 32-year-old artist. Details surrounding the incident remain limited at this time. Authorities have not yet released an official statement regarding the cause of the crash or other potential casualties. Tree was known for his unique musical style and online presence, gaining a significant following over the years. KSI’s public mourning highlights the close relationship between the two artists.