Six people were killed when two helicopters collided in mid-air in Rio de Janeiro, Brazil. It was reported that American singer Oliver Tree was among the victims.
The incident occurred on June 14. After the collision, one of the helicopters crashed into the parking lot of an electric car showroom, causing a fire and damaging dozens of cars.
According to reports, Argentine blogger Gaspar Prim was among the dead. An investigation into the causes of the crash is currently underway.
