• Oliver Tree, a popular U.S. musician, was among six killed in a helicopter collision in Brazil.
• The collision occurred over Rio de Janeiro, igniting a fire that damaged numerous vehicles.
• Authorities have launched an investigation into the cause of the incident.
• Tree had recently completed performances in South America and was on a world tour.
• Tributes have poured in from fellow artists and fans on social media.

American singer and internet personality Oliver Tree was killed in a helicopter collision in Rio de Janeiro on June 14, along with five others. The tragic incident involved two helicopters that collided mid-air, crashing in the Recreio dos Bandeirantes area, and one fell into a parking lot, igniting a fire that affected around 20 cars. The CBS News and LA Times reported that Oliver Tree was among the passengers with the other victims including notable figures in the entertainment field.

The helicopters crashed around 09:00 local time, resulting in numerous fatalities with an ongoing investigation launched by local authorities as to the cause of the collision. Witnesses reported hearing a loud explosion as the helicopters collided, with parts scattering across a wide area. Reports indicated that one of the aircraft was carrying five people, including Tree and notable Argentine content creator Gaspar Prim, also known as Gaspi. There were also two other passengers and a pilot aboard Tree's helicopter, according to the Channel News Asia and BBC.

Tree, a prominent alt-pop musician celebrated for his theatrical style and viral performances, was on a world tour when the incident occurred. His recent shows included a performance in São Paulo on June 6, showcasing his hit songs like "Life Goes On" and "Miss You." Friends and collaborators, including DJ Robin Schulz, expressed their grief over his untimely passing on social media, emphasizing his unique influence in music. Schulz remarked on Instagram, "You were such a lovely soul and a one of a kind character," as reported by LA Times and BBC.