Africa News Tonight: In Cameroon, thousands of people are demonstrating this week, calling for peace and reconciliation ahead of National Day on May 20. A medical and surgical team from Doctors Without Borders, known as MSF, has started treating patients at Bashair Teaching Hospital on the south side of Khartoum as ongoing violence rapidly increases medical needs in the capital and elsewhere. And, local officials say the death toll in fighting between herders and farmers in central Nigeria has risen to 85, with thousands displaced. For this and more, stay tuned to Africa News Tonight!