Washington (AFP) – The United States has warned the United Nations it has information that Russia has lists of Ukrainians “to be killed or sent to camps” in the event of an invasion, according to a letter sent to the UN rights chief and obtained by AFP Sunday. The letter, which came as Washington warned of an imminent invasion by Russian troops massed near the Ukrainian border, says the United States is “deeply concerned” and warns of a potential “human rights catastrophe.” The United States has “credible information that indicates Russian forces are creating lists of identified Ukrainians to …