It is as specific as it can get. It is a literal threat to kill tens of millions. This isn't difficult. @twitter @jackhttps://twitter.com/mercnews/status/948671735045545987 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
And frankly, I'm just really really really tired of seeing it always show up in my mentions. Good luck. And goodbye.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.