The helicopters collided over Rio De Janeiro and crashed in the city’s western zone, firefighters said.
Tree was on the list of passengers handed to aviation authorities, but they have not been able to identify the bodies of the dead, police said.
Rio de Janeiro’s Military Fire Department said one of the helicopters crashed on the parking lot of a car dealership, where several electric vehicles were parked, igniting a fire that was extinguished.
Officials said an investigation is underway to determine the cause of the collision.
