(AGI) Washington, Sept 24 - France's President Hollande hasconfirmed the authenticity of the video showing thedecapitation of the French hostage, Herve Pierre Gourdel, 55,who was kidnapped in Algeria while on a trekking holiday on themountains of Cabilia. Gourdel had asked Hollande in a video onMonday to stop air strikes in Iraq or he would be killed. TheFrench president refused to negotiate and said France willcontinue to attack the Islamic State in Iraq and to striketerrorists everywhere. . .