A criminal gang used a high-caliber rifle to bring down a helicopter in southern Mexico, said the country's national security commissioner, Renato Sales.
원문출처 : http://www.cnn.com/2016/09/07/americas/mexico-helicopter-shot-down/index.html
원문출처 : http://www.cnn.com/2016/09/07/americas/mexico-helicopter-shot-down/index.html