Exiled former president Blaise Compaoré has returned home to Burkina Faso

Blaise Compaoré had been in exile since 2014 when he was ousted from power by a military coup. He's set to attend a summit on Burkina Faso's future with a number of other former leaders. And also in this programme: legal experts in Tunisia assess the impact the new constitution would have if it is given the greenlight at polls later this month. Finally, Tanzania celebrates its linguistic heritage.