From staff reports
A test rocket engine fire at the Firefly Aeronautics facility in Briggs resulted in temporary evacuations and closure Jan. 22 of a stretch of a state highway and several Burnet County roads, officials reported.
Initially, Burnet County Sheriff's Office reported just before 6:30 a.m. a “possible explosion” had occurred at the facility. The report led to an evacuation of residents and businesses within one mile radius of the site and shutdown of U.S. 183. Roads were re-opened about three hours later. …