Seven people have died in a helicopter crash in the Andes Mountains in Argentina. TRENDING Stories Videos Your Say On board were members of the province's firefighter and police forces, Marcelo Orrego, the Governor of San Juan said on social media. Several members of Argentina's emergency services died in the helicopter crash | GETTYArgentina's Federal Emergency Agency said the aircraft was on course to assist in fighting forest fires. Director of the park, Juan Pablo Teja Godoy, told local media it was still unclear what happened. San Juan has now declared three days of mourning in the wake of the tragic wreck.