Burundi-Rwanda : two incidents in five days, the border on the brink of a conflict

SOS Médias Burundi

Buhumuza, September 8, 2026—Two incidents involving Burundian and Rwandan soldiers have been reported in the space of five days in border areas of northern Burundi. The latest, marked by gunfire on Saturday, September 5, is reigniting concerns in a region already weakened by tensions between Gitega and Kigali.

Tensions are rising again along the border between Burundi and Rwanda. In the Kibaya valley, located in Buhumuza province in northeastern Burundi, near the Kagera River, residents are reporting renewed movements of soldiers and members of the Imbonerakure, the youth wing of the CNDD-FDD, a former Hutu rebel group that became a political party and has been in power since 2005.

According to local sources, the cause of this new tension is the change in the course of the Kagera River. The river reportedly overflowed its banks into the Burundian territory, fueling renewed disputes over territorial boundaries and land on both sides of the border.

Rwandan farmers are said to have taken advantage of the situation to enter the area and cultivate the land. On the Burundian side, their presence was perceived as an attempt to cross the border.

Gunfire reported on Saturday

The situation reportedly took a new turn on Saturday, September 5. Local sources reported a brief exchange of fire between Burundian and Rwandan soldiers in the area. No casualty figures were available at the time of publication.

However, a local administrative source offers a different version of events. According to this source, Burundian soldiers opened fire on a small motorized boat belonging to the Rwandan navy, believing it had crossed the border.

“The Burundian soldiers fired because they believed the boat had crossed the border,” this source claims.

This version could not be confirmed with the military or administrative authorities of either country.

Two incidents in five days

This incident comes just five days after another reported incident in the Mugendo zone of ​​Kirundo district, in Butanyerera province, northern Burundi.

Residents report that on August 31, three young Burundian fishermen accidentally crossed the border at the Kanyaru River. According to these accounts, they were then targeted by gunfire attributed to Rwandan soldiers.

The three young men reportedly took refuge in the vegetation to escape the gunfire. Residents claim that Rwandan soldiers then set fire to some of the vegetation, believing the fishermen were hiding there. The fishermen eventually swam back across the river to the Burundian territory.

This information, gathered from local sources, could not be independently verified.

Armed men deployed along waterways

Since these incidents, the security forces’ presence has reportedly been reinforced on both sides of the border.

Hundreds of Burundian soldiers, as well as members of the Imbonerakure youth wing, have reportedly been positioned along the Kagera River, extending to the vicinity of Lake Cohoha. Some members of the CNDD-FDD youth league are said to be carrying bladed weapons.

On the Rwandan side, significant military personnel have also reportedly been deployed in the affected areas, some of whom are armed.

The presence of these men in an area where territorial boundaries are sometimes difficult to define is fueling fears of another incident.

A border that is difficult to demarcate

The changing course of border rivers is not a new phenomenon. In several areas, shifts in riverbeds have, in the past, complicated the precise determination of the border between Burundi and Rwanda, leading to land disputes.

The Kagera River, in particular, is a sensitive point in this region. When its course changes, riverside communities can face uncertainty regarding territorial boundaries, with direct consequences for access to farmland and fishing grounds.

The ITEKA League had already raised the alarm

A 2025 report by the ITEKA League, a pioneer in human rights defense in Burundi and now active from exile, reported on roadblocks erected in the district of Ntega, particularly near the Kanyaru River, with weapons entrusted to some members of the Imbonerakure.

This situation had already illustrated the sensitivity of certain border areas, where waterways serve as territorial markers and where the presence of armed men can quickly escalate tensions.

“There isn’t even a word”

According to a local journalist who has been following border issues for several years, previous incidents of this kind had generally led to meetings between the administrative and security officials of the affected regions.

These officials met to try to ease tensions and find local solutions. When disagreements escalated, they could be brought to the attention of the Ministries of Defense, Security, or Foreign Affairs.

“But with recent developments, not a word,” laments the journalist, who is concerned about the apparent lack of dialogue surrounding the latest incidents.

Already severely strained relations

These new incidents come at a time when relations between Gitega and Kigali are at their lowest point in several years.

The land border between the two countries has been closed since January 2024, amid deteriorating relations between Gitega and Kigali. The closure was announced by the Burundian authorities in January 2024.

The situation has worsened further with the crisis in eastern Democratic Republic of Congo. Burundi and the DRC accuse Rwanda of supporting the AFC-M23, a political-military coalition active in eastern Congo. Kigali rejects these accusations and asserts that Gitega and Kinshasa support groups hostile to Rwanda, notably the FDLR, a Rwandan Hutu armed group whose members are accused of participating in the 1994 genocide against the Tutsis.

In this particularly tense regional context, the slightest incident on the border between Burundi and Rwanda raises fears of escalation.

A population in uncertainty

In the Kibaya valley, as in Mugendo, people living near the border are anxiously following developments.

“The population is afraid and doesn’t know how the situation will unfold,” says a local resident.

After two reported incidents in just five days, residents now fear that tensions related to borders, land, and waterways could escalate into larger clashes.