The Russian government refrains to comment on the documents released by WikiLeaks, where U.S. diplomats refer to Russian President Dmitry Medvedev as a hesitant leader and Prime Minister Vladimir Putin as an "alpha male."

Before providing comments, it’s essential to make sure of the authenticity of these documents and find out who of the U.S. officials ventured such a description, Lenta.ru quoted government spokesman Dmitry Peskov as saying.