6 people lost their lives when two helicopters collided in the air in Rio de Janeiro, Brazil, and a fire broke out in the area as a result of one of the helicopters crashing into a car dealership where electric cars were sold. Authorities reported that an investigation was launched into the incident. According to CNN, the identities of the people who died in the accident have been revealed. Among those who lost their lives was the famous American singer Oliver Tree Nickell.