Flowers are laid at a memorial for slain opposition leader Chokri Belaid (portrait) set up at the site where he was murdered one year ago, on February 6, 2014 in Tunis. Tunisians today marked 12 turbulent months since the assassination of opposition politician Chokri Belaid, with his family still demanding to know what happened despite the alleged assassin being shot dead this week. AFP PHOTO / FETHI BELAID