Jason Burke reports: It is a war within a war, fought across thousands of miles of desert, scrub and forest, from the Atlantic seaboard to the Indian Ocean coastline.

It pits the Islamic State (Isis), the Iraq and Syria-based group that has expanded deep into Africa since surging to international attention in 2014, against al-Qaida, the veteran extremist group, which has maintained a significant presence in much of the continent in recent years.

Both groups and their affiliates are also fighting an array of armies and counter-terrorist agencies: French soldiers, US special forces, British military trainers, as well as the local armies of a dozen states. Last week, it was revealed the US was building a $50m base for drones in Niger, which is at the very centre of the conflict zone.

But at the same time, the extremist groups are fighting each other. Such internecine struggles between militant groups may seem esoteric to casual observers. But the eventual result will have an enormous impact on the security of dozens of often fragile states in Africa and, more broadly, on the future of Islamic militancy.

Though they share many aims, al-Qaida and Isis have divergent strategic visions and favour dramatically different tactics. Al-Qaida has largely avoided attacks on other Muslims, including Shias, and has sought to build support from local communities. Though still committed to strikes in the west, it does not appear to see a terrorist campaign in Europe or the US as a priority. Isis, also known as Isil, has made other Muslims who do not share its beliefs a key target, often used violence to keep local communities in line, and launched bloody attacks in the west. [Continue reading…]