BittonRosen reported a "Hammer false alarm" on X during the 3-hour reporting window from 8:46:54 PM to 11:46:54 PM UTC on December 12, 2025, according to the source at https://x.com/BittonRosen/status/1999618796160422147. The post contained no additional details on the nature of "Hammer" or the circumstances of the false alarm. No official statements from authorities confirmed the report during this period. Throughout the reporting window, this single social media update represented the available information on the matter.
