Islamic State claimed an attack on the main airport in Niger, marking its first complex incursion on a Sahelian capital since establishing presence there a decade ago. Niger accused its neighbours and France, further straining political and security ties.
Spoke to BBC News about counterinsurgency challenges and the dynamics around the growing proximity of militant activity in urban areas in the Sahel: https://www.bbc.co.uk/programmes/w172zsq2kvcpn1v