The chairman and vice chairman of the Senate Intelligence Committee ended the hearing with expressions of disappointment about the witnesses declining to answer questions about whether President Donald Trump asked them to interfere in any way with the ongoing probe into his former associates.

"We will ultimately have to get to the content of those conversations," Vice Chairman Mark Warner, Democrat from Virginia said. Chairman Richard Burr, Republican from North Carolina, said: "At no time should you be in a position to come to Congress without an answer."