What caused Morocco's earthquake?

The number of people killed in Friday's powerful earthquake in Morocco has risen to more than two thousand people, the interior ministry says. With a magnitude of 6.8, the earthquake which hit central Morocco is the biggest the area has seen since before 1900. We explore the impact of military rule in Guinea two years after the fall of former President Alpha Conde.And we hear how a British-Nigerian performance artist is using opera to reconnect with her Pidgin-speaking roots.