Rio Helicopter Collision Kills Six

Two helicopters collided over Rio de Janeiro and crashed near an electric-car dealership, killing six.

1. Frame 1Firefighters say a two-helicopter crash over western Rio followed a midair collision, killing six passengers aboard.
2. Frame 2One aircraft fell into an electric-car dealership lot, where a battery fire spread through parked vehicles.
3. Frame 3Police said Oliver Tree was on the passenger list, while authorities had not identified the bodies.
4. Frame 4Aviation officials received passenger manifests as investigators worked to determine why the two helicopters collided.
5. Frame 5Fire crews faced toxic lithium-battery gases after the dealership fire involved electric vehicles.
6. Frame 6The next public questions are the crash cause, passenger identification, and electric-vehicle fire risks.