American singer Oliver Tree died alongside five others after two helicopters collided in the western zone of Rio de Janeiro.The tragic crash ignited a fire at a local car dealership that destroyed twenty electric vehicles before firefighters extinguished the blaze.Investigators have launched a formal forensic probe to determine the exact cause of the mid-air collision that claimed all six lives on board.The performer was visiting
Brazil as part of a global tour promoting his latest album and was scheduled to travel to Lisbon next month.