A catastrophic mid-air collision between two helicopters in Rio de Janeiro has resulted in six fatalities. The aircraft involved were identified as a Eurocopter AS350 B2, commonly known as a Squirrel, and a Bell 206B Jet Ranger. Following the impact, the wreckage fell to the ground, causing significant damage to several electric vehicles parked below. Emergency services responded to the scene to recover victims and secure the area. Authorities are currently investigating the cause of the crash to determine why the two aircraft collided. The incident has highlighted the risks of urban aviation in densely populated areas. Local officials are coordinating with aviation experts to analyze flight data and witness accounts.