Golden Finance reported that Russian Presidential Assistant Ushakov said in a live broadcast program on Russia's Channel 1 TV that Russia and U.S. officials explained their principled position on the Ukrainian issue during talks held in Riyadh, the capital of Saudi Arabia, and emphasized that it is necessary. Consider the root causes of conflict. The two sides agreed to set up a special group to conduct in-depth and thorough discussions on all details of the Ukrainian issue. Ushakov also said that before US President Trump took office, Russia-US relations were unprecedentedly bad. Bilateral relations have recently achieved "unique development" after the phone call between the two presidents, and the two sides agreed to cooperate on many issues on the agenda.