Battling Islamic State group in Somalia

A weekly programme from the BBC World Service, bringing forensic journalism from all corners of the world by BBC Eye, the World Service's critically acclaimed investigative unit, and featuring expert global correspondents getting to the heart of the biggest international stories. This week, the Eye team follows Puntland forces on the front line in far-eastern Somalia, examining how the Islamic State group has expanded its influence across Africa, and Kalkidan Yibeltal has rare access to Jonglei state in South Sudan, where renewed conflict threatens a fragile peace accord.