DEMOCRATIC Republic of Congo's President Felix Tshisekedi appointed the country's first-ever female prime minister, naming planning minister Judith Suminwa to the role. Her appointment ends weeks of uncertainty. Tshisekedi's inauguration for a second term in January kickstarted a lengthy search for a majority coalition in the National Assembly - a key step before a prime minister could be named and a government formed. "I am aware of the great responsibility ... We will work for peace and the development of the country," Suminwa said on national television. The authorities face a raft of challenges including a worsening conflict and humanitarian crisis in…