It was not immediately clear what caused the blast at the facility in Syr Darya region, some 70 kilometers west of the capital, Tashkent.
The Uzbek Health Ministry said 16 people were hospitalized after being injured in the explosion, which occurred early on October 22.
The Ministry of Defense said those hospitalized had suffered “non-life-threatening injuries.”
Surrounding houses and shops were damaged. The Defense Ministry said an investigation has been launched into the incident.
ZZ/PR