US musician Oliver Tree dies as two helicopters crash mid-air (opens original article in a new tab)

US musician Oliver Tree died in a helicopter collision in Brazil, which also killed five others and caused a fire at a car dealership. An investigation into the crash is ongoing.

• US musician Oliver Tree died in a helicopter collision in Brazil with six others
• One helicopter crashed into a car dealership, igniting around 20 vehicles
• Investigation underway into the cause of the collision
• Oliver Tree was on a world tour and had upcoming performances in Europe