Why some candidates were barred from running

Sudan war: Can Khartoum airport reopen just hours after a drone attack?   15 years after Boko Haram militancy started, why does a jihadist threat still remain in Nigeria's northeastern Borno state   Ivory Coast: With the main opposition candidates barred from running, is President Alassane Ouattara set  for a controversial fourth term?     Presenter: Nyasha Michelle Producers: Stefania Okereke, Alfonso Daniels, Mark Wilberforce and Yvette Twagiramariya in London Technical Producer: Chris Ablakwa Senior Producer: Paul Bakibinga Editors: Sam Murunga and Maryam Abdalla