# Islamic State insurgencies in Niger and Nigeria

> Live situation record from CLSTR: https://clstr.news/situations/islamic-state-insurgencies-in-niger-and-nigeria
> Updated: 2026-10-14T23:11:41.000Z. Sources: 9. Developments: 2.

Islamic State-linked militants have conducted lethal attacks against military installations in Niger and Nigeria.

In Niger, the Ministry of Defense reported that at least 57 security personnel, including soldiers and gendarmes, were killed in two separate strikes attributed to the Islamic State in the Sahel (ISGS). One attack occurred at the Dambagu base in the Tahoua governorate, resulting in 38 military deaths, while a second attack in Ambala-Filigé killed 19 gendarmes. These losses have reportedly contributed to discontent within the military under the ruling junta.

In northeastern Nigeria, militants identified as the Islamic State West Africa Province (ISWAP) have intensified attacks on military outposts. In a recent overnight assault in Mairari village, located in the Lake Chad area of Borno State, suspected ISWAP fighters killed 15 Nigerian soldiers and five members of the Civilian Joint Task Force (CJTF) who had arrived to assist. During the engagement, militants overran the position, looted weapons and valuables, and set fire to military vehicles and facilities. 

Following the battle, troops were forced to withdraw toward the garrison town of Monguno, amid concerns that several missing soldiers may have been captured. This incident follows a similar deadly assault on a military outpost in neighboring Kukawa the previous week, reflecting a broader trend of increased attacks on military installations in the region over the last two years.

## Claims

- ISWAP fighters killed 15 Nigerian soldiers and five members of the Civilian Joint Task Force (CJTF). (corroborated by 5 sources)
- The attack occurred overnight in Mairari village, located in the Lake Chad area of Borno State. (single source)
- Fighters looted weapons and valuables and set fire to military facilities and vehicles after taking the base. (single source)
- Several soldiers are reported missing and may have been captured by the armed group. (single source)

## Timeline

### 2026-10-14: Borno State: 20 killed in ISWAP attack on Nigerian military base

ISWAP militants killed 15 Nigerian soldiers and five civilian militia members during an overnight attack on a military base in Borno State, looting weapons and setting facilities on fire.

8 sources. https://clstr.news/cluster/borno-state-20-killed-in-jihadist-attack-on-nigerian-military-base

### 2026-09-25: Niger security forces suffer 57 deaths in ISIS-linked attacks

At least 57 Nigerien security forces were killed in two attacks attributed to Islamic State in the Sahel, targeting a military base and gendarmerie units.

2 sources. https://clstr.news/cluster/niger-security-forces-suffer-57-deaths-in-isis-linked-attacks

---
Cite as: Islamic State insurgencies in Niger and Nigeria. CLSTR, https://clstr.news/situations/islamic-state-insurgencies-in-niger-and-nigeria