Russian journalist made appeal to American media in New York Times . He says poison gas was probably used by opposition , not Syrian army . From the outset , Russia has advocated peaceful dialogue enabling Syrians to develop a compromise plan for their own future . But U.S. , officials say evidence is clear that al - Assad forces were behind attack . Russia has itself referred to uniqueness of the Russian military .
Russian journalist made appeal to American media in New York Times . He says poison gas was probably used by opposition , not Syrian army . But U.S. , officials say evidence is clear that al - Assad forces were behind attack . Russia has itself referred to uniqueness of the Russian military .