RIO DE JANEIRO, Brazil (AFP)—At least six people died in Brazil on Sunday after two helicopters collided in western Rio de Janeiro, firefighters said. The helicopters crashed into the parking lot of an electric car dealership, igniting a fire that engulfed at least 20 vehicles. A statement from firefighters said that initial reports pointed to a mid-air collision, adding "six fatalities have been confirmed, all were crew members of the...