A helicopter collision over the Recreio dos Bandeirantes neighborhood of Rio de Janeiro, Brazil, on Sunday resulted in the deaths of all six people on board. Brazilian authorities have confirmed the fatalities, and reports from CNN Brasil and TMZ identify American singer Oliver Tree, 32, among the victims. One of the helicopters crashed onto a parking lot containing electric vehicles, igniting a fire that engulfed multiple cars. The cause of the collision is currently under investigation by authorities. The incident occurred in the southwestern part of Rio de Janeiro, prompting a response from emergency services. Further details are expected as the investigation progresses and official statements are released.