This photo, released on Saturday by the French Army Communications Audiovisual office (ECPAD), shows French Mirage 2000 D jets flying over Mali. ECPAD/Xinhua /Landov hide caption

itoggle caption ECPAD/Xinhua /Landov

An undated screen image of footage shot by Al-Kataib Media, showing Denis Allex, a French hostage allegedly held by Somali militants, who was reportedly killed during the failed rescue mission. MAXPPP/EPA /LANDOV hide caption

itoggle caption MAXPPP/EPA /LANDOV