American emissary for mediate East affairs Steve Witkoff was in Russia erstwhile he was attached to the discussion conducted with the Signal communicator - reported CBS News station. The most crucial officials in the United States exchanged confidential and secret data about the planned attack in Yemen. tv notes that it is not clear whether the application was installed on Witkoff's business or private phone, and whether this is the 1 with the app that he had with him in Russia.