Paris, Sha'ban 13, 1437, May 20, 2016, SPA -- A military police helicopter crashed in south-western France on Friday, killing four gendarmes on board, local authorities and the national military police said. According to dpa, the accident occurred during an exercise, the National Gendarmerie, a military police unit, said. A crisis cell was set up following the crash, local authorities for the mountainous Hautes-Pyrenees region said on their Twitter account. "The prefecture shares the pain of the families and those who were close to the victims," they said. --SPA 20:34 LOCAL TIME 17:34 GMT www.spa.gov.sa/w