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, dpa cited local authorities and the national military police as saying. 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. --SPA 15:31 LOCAL TIME 12:31 GMT www.spa.gov.sa/w