KEY POINTS
  • "I can say definitively that it's a sufficient national security concern about Chinese meddling, Iranian meddling and North Korean meddling that we're taking steps to try to prevent it," Bolton told ABC's "This Week."
  • President Donald Trump suggested Saturday that those investigating Russia's role in U.S. politics should broaden their scrutiny to Beijing.
  • Bolton also said he is confident that he and his Russian counterpart will discuss the Kremlin's election prying during a meeting later this week.
White House National Security Advisor John Bolton attends a Cabinet Meeting in the Cabinet Room of the White House on August 16, 2018 in Washington, DC.

National Security Advisor John Bolton said on Sunday that the U.S. government is not just worried about Russian interference in the 2018 midterm elections, but efforts from China, Iran and North Korea as well. 

With Russia's actions in the 2016 election still a raging controversy, and amid fears that Moscow is still attempting to subvert the U.S. political process, Bolton issued a warning about America's other geopolitical adversaries.