He told a briefing in Washington, D.C. on Tuesday, Censor.NET reports citing the U.S. Department of State.
"The relationship, as you know, on Russia continues to be under considerable stress. As I indicated in my first trip to Moscow, and meetings at the Kremlin with President Putin following those meetings, the relationship was at a historic low since the end of the Cold War and it could get worse," the secretary of state said.
Tillerson said that the question of the events of the last week "is: Is it getting worse or can we maintain some level of stability in that relationship, and continue to find ways to address areas of mutual interest and ways in which we can deal with our differences without those becoming open conflicts as well?"
Last week, the U.S. Senate passed the new sanctions bill against Russia overwhelmingly and sent it to Trump for signature. Russia in response restricted U.S. diplomatic missions' access to several facilities and demanded to shorten the staff of the mission by 755 people by Sept. 1.
Related materials: Sanctions against Russia