Apparently the 911 emergency services communication center in Elk Grove, California has been receiving hundreds of calls coming from an Apple repair and refurbishing site in the vicinity. Since October, 2017 the total of 911 calls traced to the facility has reached over 1,600. The calls are believed to be accidental and possibly being caused by the SOS mode that the iPhone and Apple Watch feature.
https://www.notebookcheck.net/Broken-Apple-devices-seeking-emergency-assistance.285174.0.html