He noted that Western countries "are playing their own games, which are ultimately aimed at defeating us; everyone is talking about this."
"Right now, they are convinced they are right because they feel they can more vigorously defend their harmful, unconstructive views," the Kremlin aide told Vesti reporter Pavel Zarubin, TASS reported.
"They are mistaken because one must closely observe what is happening on the battlefield and along the line of contact where our troops are advancing steadily and gradually," Ushakov pointed out.