A Tunisian journalist detained since last week for refusing to reveal his sources to authorities is to be released, his lawyer said Friday, in a case that has raised fears for media freedoms. Khalifa Guesmi, a correspondent for the country’s leading radio station Mosaique FM, was arrested on 18 March under anti-terrorism laws after refusing to reveal his sources for an article on the break-up of a “terrorist cell”. He and two other Mosaique FM reporters, including editor-in-chief Houcine Dabbabi, appeared before an “anti-terrorism” court on Friday morning. The court decided to “release Khalifa…