It wasn't reported until September 12, when the South Korean news agency Yonhap cited a source in Beijing, China who said a mushroom cloud had been seen, and a resulting crater from the explosion was later imaged by satellite.
It wasn't reported until September 12. The South Korean news agency Yonhap cited a source in Beijing, China. A mushroom cloud had been seen. This was what this source in Beijing, China said. A resulting crater from the explosion was later imaged by satellite.