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.<br /> <br /> We explore the impact of military rule in Guinea two years after the fall of former President Alpha Conde.<br /> <br /> And we hear how a British-Nigerian performance artist is using opera to reconnect with her Pidgin-speaking roots.