Boko Haram–ISWAP conflict
Armed conflict between rival jihadist groups
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The Boko Haram–ISWAP conflict is an ongoing armed conflict between Boko Haram and the Islamic State – West Africa Province (ISWAP), the Nigerian branch of the Islamic State. Following the split of the Islamic State – West Africa Province from Boko Haram due to Abubakar Shekau's refusal to leave the leadership of the branch, therefore, the Islamic State replaced him with Abu Musab al-Barnawi, which led to clashes between the two groups.
changes
- Sambisa Forest is captured by ISWAP
- Boko Haram captures several ISWAP bases in Lake Chad
| Boko Haram–ISWAP conflict | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Part of the Boko Haram insurgency | |||||||||
Map of influences between Boko Haram and ISWAP | |||||||||
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| Belligerents | |||||||||
 Boko Haram (Daular Musulunci) | |||||||||
| Commanders and leaders | |||||||||
|
Abubakar Shekau ‡‡[3] Bakura Doro Bakura Sahalaba †[4] Mohd Hassan[5] |
Abu Musab al-Barnawi (WIA)[6] Dana Daguri Muhammad Dawud[7] Bako Gorgore †[8] Aba Ibrahim †[8] Abu-Bilal al-Minuki X[9] | ||||||||
| Units involved | |||||||||
|
| ||||||||
| Strength | |||||||||
|
c. 1,500 (2025)[19] |
c. 8,000 – 12,000 (2025)[20] | ||||||||
| Casualties and losses | |||||||||
| More than 2,000 killed in total[21] | |||||||||
Background
Boko Haram and the Islamic State were initially allies. However, the two groups became enemies due to territorial disputes, because the Islamic State tried to conquer the zones which were under Boko Haram's control.[22]
In July 2014, Abubakar Shekau released a 16-minute video in which he voiced his support for the Islamic State's leader Abu Bakr al-Baghdadi, al-Qaeda's leader Ayman al-Zawahiri and the Afghan Taliban's leader Mullah Omar.[23] In March 2015, Shekau pledged allegiance to the Islamic State caliph Abu Bakr Al-Baghdadi and became the "West African Province".[24]
When the insurgents were subsequently defeated and lost almost all of their lands during the 2015 West African offensive by the Multinational Joint Task Force (MJTF), discontent grew among the rebels.[25][26][27] Despite orders by the IS central command to stop using women and children suicide bombers as well as refrain from mass murdering civilians, Shekau refused to change his tactics.[28] Researcher Aymenn Jawad Al-Tamimi summarized that the Boko Haram leader proved to be "too extreme even by the Islamic State's standards".[29]
In August 2016, the Islamic State attempted to remove Shekau from his leadership role and replace him with Abu Musab al-Barnawi. ISIL attempted to remove Shekau because he had disobeyed Abu Bakr al-Baghdadi's order to cease targeting Muslim civilians. Shekau rejected the move, leading to a split between the groups.[24]
Timeline
2021
In February 2021, ISWAP and Boko Haram engaged in a battle at the Niger–Nigeria border after the former had abducted women who were linked to the latter. Around this time, a faction of ISWAP also defected to al-Qaeda. The violence between ISWAP and Boko Haram further escalated after the former had tried to convince the latter to change its tendency to overuse takfir designations.[30] The Nigerian newspaper Vanguard stated that ISWAP had previously sent especially loyal troops for training to Libya, Somalia, and Syria; these forces returned to Nigeria in March and April, greatly bolstering the local Islamic State forces and allowing them to operate more aggressively against Boko Haram.[31]
In April 2021, Boko Haram ambushed an ISWAP brigade, killing several militants.[32] Around this time, dissatisfaction within Boko Haram reportedly rose due to Shekau executing his chief of staff Abu Fatima.[33] The inter-rebel fighting was paused during Ramadan.[28] Around mid-May, ISWAP released an audio declaring that Abu Musab al-Barnawi had been reinstated by the IS central command as "caretaker" leader of ISWAP. As al-Barnawi had been the one to depose Shekau in the first place, analyst Jacob Zenn argued that this move was a sign that both the IS central command and ISWAP wanted to finally eliminate Shekau.[34] Vanguard claimed that delegates of the IS central command had visited ISWAP shortly before the offensive against Sambisa Forest.[31] Al-Naba also vaguely stated in an article that ISWAP had been ordered to "eliminate Shekau", hinting that the IS central leadership had been involved in the decision making process.[35]
The Islamic State forces moved their civilian followers to more secure locations around Kukawa in preparation of the anti-Shekau operation.[31]
ISWAP began its offensive on 14 May, targeting four minor camps as well as Shekau's main base located in the Sambisa Forest.[35] Boko Haram responded with mortar fire and used several suicide bombers, one of them in a car, to halt ISWAP's advance. However, the ISWAP militants reportedly managed to kill most suicide bombers before they reached them, with only three succeeding in detonating themselves, inflicting only minor damage. After ISWAP had inflicted heavy losses on Boko Haram including two vehicles destroyed, the base's defenders fled. However, ISWAP failed to capture Shekau during this clash as it had initially intended to do. The Islamic State troops spent the remaining day securing the captured Boko Haram base.[35]
Shekau and his remaining followers attempted to flee from a temporary camp on late 19 May 2021,[36] but were encircled by ISWAP[37] troops led by Dana Daguri.[38] The Islamic State fighters confronted Shekau's personal bodyguards, resulting in heavy fighting and ending with the eventual death of several bodyguards.[34][28][30] In contrast, al-Naba claimed that the ISWAP troops had discovered Shekau's motorized column by 17 May and attacked it, culminating in Shekau and a few followers fleeing further into the forest on foot. According to this telling of the events, Shekau and seven of his followers were cornered at "a large tree" after two days of searching by ISWAP.[35]
Shekau began to negotiate with the Islamic State fighters on 19 May,[39] however, Shekau committed suicide with a gun, grenade or suicide belt.[37] The remaining Boko Haram fighters present reportedly joined ISWAP.[40]
2022
On 20 April, Boko Haram fighters invaded an ISWAP settlement near Ngurosoye, resulting in the deaths of eighteen ISWAP fighters and six Boko Haram fighters.[41]
On 23 April, clashes between Boko Haram and ISWAP at two villages in the Sambisa forest leave a total of 34 militants dead.[42]
On 15 September, eight Boko Haram members, including a middle rank commander, were killed in a clash with ISWAP. Fighters from both groups were also left injured.[43] On 17 September, two Boko Haram top commanders identified as Abou Hamza and Abou Ibrahim were executed by ISWAP.[44]
On 7 October, ISWAP killed eight Boko Haram members in an ambush.[45]
On 4 December, a clash between Boko Haram and ISWAP killed dozens of terrorists, including at least 23 ISWAP members.[46]
2023
The first attacks by Boko Haram against ISWAP occurred on 30 December at the villages of Toumbun Allura Kurnawa and Kangar, in Abadam.[47] The Boko Haram fighters were led by Bakura Doro. The battles at Allura Kurnawa and Kangar lasted for 13 hours and left 30 militants on both sides dead.[48] The Boko Haram fighters led by Doro later fled to a hideout on the border of Niger.[48] The ISWAP fighters were forced to flee from the area. Four hostages captured by ISWAP on 3 August 2022 were freed during the attack.[49]
The next major attack occurred on January 7, in the villages of Toumbun Gini, seizing large amounts of ISWAP weaponry and then killing ISWAP militants fleeing westward.[47] At least 100 ISWAP fighters were killed in the battle, and 35 were injured.[47] The leader of ISWAP, Abu Musab al-Barnawi, was forced to flee during the Boko Haram offensive.[50] Ten ISWAP fighters surrendered to Nigerien forces after the battle at Toumbun Gini to avoid Boko Haram attacks.[50]
al-Barnawi returned to the Lake Chad area with 300 fighters on 10 January, announcing reprisal attacks against Boko Haram for the raids.[47] Performing several attacks in February and March 2023 that killed "hundreds" of Boko Haram fighters.[51]
On 5 July, several Boko Haram fighters and members of their families were killed by ISWAP in Sambisa Forest.[52]
On 24 August, at least 41 terrorists were killed in a clash between ISWAP and Boko Haram in the Lake Chad region.[53]
On 17 November, at least 60 people were killed in clashes when ISWAP ambushed a fleet of Boko Haram vessels in Lake Chad.[54]
2024
On 15 January, dozens of terrorists were killed during a clash between Boko Haram and ISWAP on the islands of Kandahar and Kaduna Ruwa.[55]
On 11 March, at least 35 Boko Haram militants were killed and 11 were abducted during clashes between them and ISWAP in the Lake Chad area and Borno State. Fighting continued until 13 March. Two fishermen were killed in the crossfire and two others were also abducted by ISWAP.[56]
On 26 April, A heavy clash erupted between Boko Haram and ISWAP militants near several islands in Lake Chad, resulting in the death of 85 terrorists, with about 70 of them being Boko Haram militants.[57]
2025
Between 5 and 8 November 2025, Boko Haram fighters launched a naval invasion against ISWAP bases across the various islands in Lake Chad. The attacks were led by Hassan Buduma and Mohd Hassan and used dozens of fighters armed with heavy weapons on motorised boats.[58] Military forces reported that "most of the deceased are believed to be ISWAP members,"[59] with the clashes leaving at least 4 Boko Haram attackers dead and between 170 and 200 ISWAP members killed.[60][61]
Boko Haram successfully seized several ISWAP bases and their weaponry,[62] surviving militants retreated to their mainland positions in the villages of Ali Jillimari, Metele, Kangarwa, and Gudumbali in northern Borno State, Nigeria.[60] Only three of ISWAP’s boats managed to escape, seven others were captured alongside their arms and ammunition.[61]
2026
On 20 January, Boko Haram launched a nighttime raid, seizing ISWAP bases, ammunition, equipment and killing 200 ISWAP fighters. During the battle, Boko Haram reportedly utilized Libyan and Chadian mercenaries.[63]
On 16 May, a boatload of Boko Haram fighters was observed heading towards an island in Lake Chad controlled by ISWAP soldiers; the Boko Haram fighters noticed another boat nearby and fired at it.[64]
On 29 July, the clashes took place around Mangari and Tumbun Allura, Boko Haram seized two boats and killed several ISWAP fighters before withdrawing.[65]
Reactions
Domestic
Islamic State – West Africa Province: Abu Musab al-Barnawi declared that "Shekau preferred to be humiliated in the afterlife than getting humiliated on earth, and he killed himself instantly by detonating an explosive".[66]
Notes
- Njimiya camp dissidents was a faction of Boko Haram led by four commanders of the Njimiya camp, that rebelled and waged a low-level anti-ISIS guerrilla campaign in Sambisa Forest following the Battle of Sambisa in 2022. The dissidents eventually surrendered to security forces in December 2022, having been defeated by the Islamic State.[13]