article_snippet: Two helicopters crashed Monday in the remote area of northwest Argentina, killing all 10 people on board both aircraft, authorities said .
article_snippet: Two helicopters took off at 5.10pm and exploded minutes later, Security Cesar Angulo told the Buenos Aires Herald.
article_snippet: Rioja Rioja Secretary of Security Cesar Angulo said that Two helicopters took off at 5.10pm and exploded minutes later .
highlights_snippet: Two helicopters reportedly collided mid-air and exploded, leaving ten dead .
  