A vehicle carrying civilians was traveling from the town of Gamboru when it hit an Improvised Explosive Device (IED) landmine planted by ISWAP on the road at Tumshe village, located 10 kilometers from the town of Rann and near the border with Cameroon. The explosion killed five civilians instantly and critically injured seven others. The vehicle was completely destroyed.
4 May 2021 · Tumshe, Kala-Balge, Borno
Deaths
5
Injured
7
Kidnapped
0
Total casualties
12
Perpetrators
ISWAP
Response
No specific response was reported for this incident. It occurred during a period when the Nigerian Army had mostly withdrawn from villages and smaller bases into fortified "super camps," a strategy critics argue left rural roads and communities vulnerable to insurgent attacks.
Displacement
0
Socioeconomic drivers
Following territorial losses, ISWAP has increasingly relied on IEDs and landmines as an asymmetric tactic to inflict casualties on civilians and security forces with minimal risk.
Trajectory
The landmine explosion was part of a wave of ISWAP violence in early May 2021. It occurred just days after the group’s deadly assault on a military base in Ajiri on 3 May (which killed 30 people) and followed its failed attack on the Rann base on 1 May. The use of landmines was a recurring tactic, with another landmine explosion in the same region on 2 May killing five more civilians
Cycle notes
Mirrored earlier including 02 May 2021 – Tumshe-area landmine blast killing civilians along a transit route, 06 July 2020 – roadside IED detonation along the Maiduguri–Damboa axis targeting civilian movement, 18 August 2019 – Konduga roadside explosion affecting commercial transport, and multiple incidents across 2020–2021 involving planted explosives on rural access roads, collectively reflecting a recurring operational pattern in which Islamic State West Africa Province employs improvised explosive devices (IEDs) and landmines as an asymmetric warfare tactic to target civilian mobility and soft targets in insecure rural corridors.
Pattern
IED Explosion
Related — Bombing/IED
A female suicide bomber detonated explosives at screening areas where Muslim worshippers were gathering for Eid prayers marking the end of Ramadan. The bomber, described as a 10-year-old girl, detonated her device at the Layin Gwange screening area.
In a coordinated effort to maximise terror during the high‑traffic pre‑holiday period, Boko Haram operatives planted multiple improvised explosive devices (IEDs) in high‑density public spaces across Maiduguri. The explosions targeted marketplaces and transit points, aiming for maximum civilian lethality. This wave of bombings occurred simultaneously with the pitched battle in Damaturu, effectively stretching security forces across two state capitals.
Five female suicide bombers staged a coordinated attack on Kofa village. The first bomber detonated her explosives near a mosque where worshippers were gathered for night prayers, killing seven people. The second bomber detonated in a house, killing five people. The remaining three bombers detonated within the same vicinity, killing only themselves.