KIEV, May 27 - President Petro Poroshenko has signed a decree enacting the National Security and Defense Council resolution (dated May 20) imposing sanctions against 17 representatives of Russian media outlets.

"The list of the individuals who ended up on the sanctions list includes in particular, the general director of the Channel One television company, Konstantin Ernst; the editor-in-chief of the Novorus.info website, Andrei Surkov; the owner of the Pravda.Ru holding company, Vadim Gorshenin; the general director of the TASS news agency, Sergei Mikhailov; a former general director of the LifeNews television channel, Ashot Gabrelyanov; and the editor-in-chief of the Russia Today television channel, Margarita Simonyan," the Ukrainian president's press office said.