House Intelligence Committee Chairman Adam SchiffAdam Bennett SchiffBiden holds off punishing Saudi crown prince, despite US intel Overnight Defense: Biden sends message with Syria airstrike | US intel points to Saudi crown prince in Khashoggi killing | Pentagon launches civilian-led sexual assault commission Democrats demand Saudi accountability over Khashoggi killing MORE (D-Calif.) said Sunday that the U.S. intelligence community is beginning to withhold documents on Ukraine from Congress as lawmakers prepare for the impeachment trial of President Trump
Donald TrumpNoem touts South Dakota coronavirus response, knocks lockdowns in CPAC speech On The Trail: Cuomo and Newsom — a story of two embattled governors McCarthy: 'I would bet my house' GOP takes back lower chamber in 2022 MORE.
"They appear to be succumbing to pressure from the administration," Schiff said on ABC's "This Week."

The NSA referred The Hill to the Office of the Director of National Intelligence (ODNI) when reached for comment.
"The Intelligence Community is committed to providing Congress with the information and intelligence it needs to carry out its critical oversight role," Amanda J. Schoch, a spokeswoman for ODNI, said in a statement. "The IC is working in good faith with [the House Intelligence Committee] to respond to requests on a broad range of topics and will continue to do so."