Two Eurocopter AS350 Écureuil helicopters collide in mid-air over Villa Castelli, Argentina, killing all 10 people on board both aircraft, including F...

Two Eurocopter AS350 Écureuil helicopters collide in mid-air over Villa Castelli, Argentina, killing all 10 people on board both aircraft, including French athletes Florence Arthaud, Camille Muffat and Alexis Vastine, as well as producers and guests for the French TV show Dropped.