West Africa: Fragmented Security Allows Terrorists' Cross-Mobility Across Lake Chad and Sahel

What the report says

AllAfrica, republishing an Institute for Security Studies analysis by Taiwo Adebayo dated 27 July 2026, reports that Islamic State-linked groups are exploiting gaps between West African and Sahelian security systems. According to ISS, defectors in contact with current fighters said Islamic State West Africa Province’s Shura Council decided to send 100 fighters to support Islamic State Sahel Province around Ménaka, near Mali’s border with Niger, after Malian forces had retaken the area.

The report says ISWAP also planned another deployment toward Nasarawa in north-central Nigeria, far from its Lake Chad base, and that ISS field data indicates ISSP fighters have crossed from southern Niger into Nigeria’s Sokoto and Kebbi states. ISS links these moves to a broader pattern of cross-regional coordination, including reported support from ISWAP for attacks in Niger earlier in 2026. The analysis argues that existing counter-terrorism structures in the Lake Chad Basin and the Sahel are not built to match this mobility.

ISS also reports signs of pressure on ISWAP, including losses from US-Nigerian strikes, financial strain, higher levies on livestock and fishing in areas it controls, and a lowered recruitment age. The analysis says foreign trainers reportedly arrived to instruct fighters on anti-aircraft weapons, while militants remain concerned about aerial surveillance and attacks.

The report’s central concern is that political fractures are weakening the regional response. Mali, Niger and Burkina Faso are outside the African Union and ECOWAS, limiting formal intelligence channels with neighbouring states. ISS calls for practical cross-regional intelligence sharing, coordinated response plans and more focused Nigerian operations against sleeper cells beyond the north-east.