A border guard died in the explosion, which took place on the Russian-Georgian border in the direction of Dagestan, Georgian media reported.
Two more border guards were injured and hospitalized.
According to preliminary data, the explosion occurred due to a gas leak. "This is an explosion of domestic type, and, unfortunately, a young border guard died," Sputnik-Georgia cited the governor of Kakheti Irakli Kadagishvili as saying.
The police opened a criminal case.