On the 9th local time, an explosion occurred at a Japanese Self-Defense Force facility located in the Kadena base of the US military in Okinawa in Japan.

Terminal Taiwan reporters learned that the local fire rescue department of Okinawa Prefecture said that it received a notice at around 11:15 local time on the 9th that a small-scale explosion occurred at the scene and no fire was caused. A total of 4 people were rushed to the hospital at the scene, one of whom had a burn in his finger. None of the four people were in danger of life.
Relevant sources from the Japanese Ministry of Defense said that when the explosion occurred, the "dud" handling force of the Japanese Ground Self-Defense Force was operating on the spot. (Central Station reporter Bai Chunyang)
Source: CCTV News