The access to the websites of R-Sport news agency, NTV, REN-TV, VGTRK, Rossiya 1, Rossiya Kultura, Rossiya 24 and other broadcasters have also been restricted.
Earlier, Ukraine included the Russian news agency Sputnik on its sanctions list for three years and blocked the news agency's assets and websites.
The restrictions imposed by Kiev also apply to the RIA Novosti Ukraine portal, whose head, Kirill Vyshinsky, was arrested in Kiev earlier in May, as well as to the Rossiyasegodnya.rf, Sputniknews.com, Ria.ru, Rsport.ria.ru, 1prime.ru as well as realty.ria.ru websites.
READ MORE: Kiev Should Eliminate Sanctions on Russian Media Instead of Widening Them — HRW
As the regulation came into force, a number of Russian journalists and television reporters were denied entry to Ukraine or deported to Russia, with a number of TV channels banned.