Awwal 14, 1432 H/Feb 17, 2011, SPA -- A private helicopter with five people on board crashed on Thursday in western Switzerland, prompting a rescue operation, police said, according to dpa. Further details, including news on possible casualties, were not made immediately available. The crash took place in the Alps, near Diablerets, in Canton Vaud. On Friday, five French citizens - the pilot and a family of four - died when a private plane crashed in the country's south, near the Italian border.