The leader of Tunisia’s main opposition party is due to be questioned by the country’s anti-terrorism unit on Tuesday on suspicion of money laundering and terrorist financing through an association charity. The accused, Rached Ghannouchi, was among a dozen top Ennahdha party officials whose bank accounts the north African country’s central bank froze earlier this month. Ennahdha vehemently disputes the accusations of money laundering and terrorism financing. President Kais Saied suspended parliament last year and seized broad powers in a move that he said was necessary to “save the country” fr…