In tonight's edition: Nigeria slams recent accusations from the US's political right that a "Christian genocide" in Africa's most populous country has escaped global attention. Also, Kigali says the ball is in DR Congo's court over efforts to end the M23 insurgency that has devastated the country's east after the Congolese leader urged Rwanda's president to pull support for the militia group. Plus London's Tate Modern museum is spotlighting Nigerian modernist art in its latest exhibition.