Washington (CNN) Democrats on the Senate Judiciary Committee are calling on Attorney General William Barr to recuse himself from "matters related to Ukraine" and the Justice Department's investigation into the origins of the Russia election interference investigation.

"He's the attorney general, supposedly of our country, but it becomes clearer every day he's the lawyer for the President," Hawaii Sen. Mazie Hirono, a Democrat on the panel, said Tuesday on CNN's "New Day."

All 10 Democratic senators who sit on the Judiciary Committee signed a letter last week calling on Barr to step away from the Ukraine investigations and "identify the appropriate official who will be responsible for these matters."

"Impartial enforcement of the law is essential to give the American public confidence in the Justice Department's work," the letter reads. "Your personal connection to these matters creates the appearance of a conflict of interest and gives rise to questions about whether the Department is being used to advance the President's personal interests."

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