Justice Department Spokesman Ian Prior yesterday said "it was for that reason, and that reason alone" that Sessions recused himself on March 2 from the Russian investigation.
The statement was released hours after former FBI Director James Comey gave blockbuster testimony on alleged efforts by the president to influence the investigation into Russia's suspected meddling.
The DOJ statement did not mention Sessions's contacts with Moscow's ambassador, Sergey Kislyak, which he did not disclose during his confirmation hearing.
Pressed on the attorney general's "interactions with the Russians or his behavior with regard to the investigation," Comey said Sessions "was very close to and inevitably going to recuse himself for a variety of reasons."
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"We also were aware of facts that I can't discuss in an open setting that would make his continued engagement in a Russia-related investigation problematic," Comey said.
In its statement the Department of Justice emphasized that since recusing himself Sessions "has not been briefed on or participated in any investigation within the scope of his recusal."
Following the reports, the White House declined to say whether the president still had confidence in the attorney general.