Washington( CNN) Top Senate Republicans are pledging to find out if the White House is intentionally delaying new sanctions on Moscow as the Trump administration is several weeks past a congressionally-imposed deadline to identify top Russian officials involved in political cybermeddling.

Sen. John McCain, R-Arizona, who chairs the Senate Armed Service Committee, said the administration is acting “as if they are unilateral.”

“We have to do what we need to assert our role, ” he told CNN.

Things Trump has said about Putin