American rapper Oliver Tree has died following a helicopter collision in Rio de Janeiro, Brazil. The incident occurred mid-air, with details surrounding the cause currently under investigation by Brazilian authorities. Local reports indicate the helicopter went down near a mountainous area of the city. Tree was in Rio preparing for a performance as part of his international tour. His record label confirmed his death, expressing deep sorrow and cancelling upcoming shows. Authorities are working to recover the wreckage and determine the full circumstances of the crash, including whether other individuals were involved. The incident has prompted an outpouring of grief from fans and fellow musicians.