Thousands of Tunisians demonstrated Saturday in the capital Tunis, denouncing a power grab by President Kais Saied and demanding accountability for the country’s long-running economic crisis, AFP correspondents said. Saied staged a dramatic power grab in July last year and later pushed through a constitution enshrining his one-man rule, in what critics have called a return to autocracy in the only democracy to have emerged from the Arab Spring. Protesters in central Tunis chanted, “Down, down”, “Revolution against dictator Kais” and “The coup will fall.” The march was organised by the National…