To spread: the fact that US President Donald Trump is gradually holding a rigid position on the Russian Federation is good, but 50 days to perform an American ultimatum is too long. Moreover, the Russians kill the civilians of Ukrainian cities daily, the EU Kai Callas Supreme Representative said. "It is very positive that President Trump has a rigid position on Russia. On the other hand, 50 days are a very long time, given that they kill civilians daily," Callas said.