At least 10 people died as two helicopters crashed in a remote area in northwestern Argentina during the filming of a documentary. A French TV crew perished in the accident, according to media reports quoting officials. The helicopters exploded while flying near Villa Castelli in La Rioja province after a possible collision, according to Argentinian Secretary of Security Cesar Angulo, as cited by AP. The victims included cast members filming a French reality show, AFP reported, citing officials.