Twitter reports: “Explosion in Iran’s eastern mountains was caused by a cyber attack that turned the facility on itself, destroying Iran’s Shahab long-range missile force stored in the Khajir tunnel base complex as well as the solid fuel production facility.”
https://twitter.com/colrichardkemp/status/1277164208224944129?s=21
I was hoping that cyber commands sent their centrifuges off, but the missile storage is even better.