Explosion at military barracks in Bolivia leaves 2 dead and 81 injured
Explosions at a military regiment in Bolivia left two dead, seven missing and 81 injured. Residents were evacuated and the area remains under investigation.

The city of Viacha, Bolivia, was the scene of a tragedy on the morning of September 4, 2026. Two explosions in the Bolivar Mechanized Artillery Regiment left at least two people dead, seven missing and 81 injured, according to Defense Minister Ernesto Justiniano. The accident mobilized emergency teams, forced the evacuation of residents and prompted the government to open a criminal investigation.
Number of victims and disappearances
In a press conference, Justiniano confirmed: "So far we have two people confirmed as dead and seven as missing." The official balance also shows 81 injured, including two in serious condition. The dead and missing were military personnel serving at the facility, the ministry said in a statement.
An earlier police report recorded two deaths, seven missing and 59 injured, including at least 52 civilians. The divergence in the numbers reflects the dynamics of emergency care, with victims being referred to different health units. The wounded were treated in several medical centers in Viacha, according to the defense minister.
Evacuation and damage to the community
Residents of the area have been removed to a temporary housing center. "It is not yet safe" for them to return to their homes because "the houses have been damaged by the shock wave," Justiniano said. The supply of electricity was interrupted in the affected area, where dozens of police officers were mobilized to ensure security and assist in the searches.
People searching for missing relatives and residents of the region wait while the military forms a safety cordon. The city of Viacha decreed official mourning for the dead, in solidarity with the families. The measure reflects the community impact of an accident that hit both military and civilians.
Government reaction and investigation
President Rodrigo Paz expressed, on the social network X, his "profound solidarity with the families of the deceased, the injured and all the residents affected by the explosions". He said he had determined a "complete, technical and transparent" investigation. "We must establish with absolute clarity the causes of this event, verify compliance with security protocols and determine the responsibilities that can be assigned," he said.
Prosecutors have opened a criminal investigation for manslaughter, unintentional injuries and other possible crimes, according to the ministry. The survey seeks to clarify whether there was negligence in the storage of hazardous materials and whether safety protocols were followed.
Probable causes and material involved
According to Justinian, there were two explosions. The first allegedly involved black powder coming from pyrotechnic equipment stored at the site. Then there was a second explosion, “of a much larger scale,” he said. "The cause and material involved in this second explosion are still being determined," he added.
The Ministry of Defense clarified that no type of war weaponry exploded in the incident. The initial hypothesis points to the burning of black powder, but experts are still working to identify what caused the second detonation. According to images released by local media, firefighters were operating pipe trucks to cool the area.
Security operations and next steps
Colonel Roger Roca, a spokesman for the police, said the demining operations would continue in the coming hours. "The incident is under control," he said. The priority, according to Justinian, is humanitarian: "At the moment, our priority is the people: to care for the wounded, to support their families and to continue the search and verification operations".
Searches for the missing continue, with specialized teams searching the debris. The power outage and structural damage make the work difficult, but authorities remain expecting to complete the scan soon. The case continues to have repercussions in Bolivia and abroad, with attention paid to the findings of the investigation.
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