Santiago de Chile, Jumada II 13, 1436, Apr 2, 2015, SPA -- The Chilean Air Force said Thursday the wreckage of a helicopter missing in northern Chile since Tuesday had been found and all four occupants on board had died in the crash, dpa reported. The wreckage of the helicopter was found in the Atacama Desert near a mine, the air force said. The helicopter went missing on Tuesday while helping in the aftermath of a flood that badly affected the regions of Atacama, Antofagasta and Coquimbo. -- SPA 22:19 LOCAL TIME 19:19 GMT www.spa.gov.sa/w