#MH17 Update: There were 23 U.S. citizens on the Malaysia Airlines flight, Interfax reports http://on.mash.to/1rkqb3W pic.twitter.com/D4NIhTPsJp
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
@sarahbutler we have no info on the other nationalities yet -- we'll update when we do.