( CNN) The top Democrat on the House Russia investigation, Rep. Adam Schiff, told Wednesday President Donald Trump personally promised documents at the center of “unmasking” allegations would be made available to all members of the House intelligence committee, but that White House staff is fighting those documents’ release.

“The President, when I met with him, said that he is happy to have whoever we wanted examine the documents. His staff has opposed that, the latter are to report to even letting my own staff examine the documents, the staff members administrator, ” Schiff told CNN on Wednesday. “So we’re still trying to get those documents for the full committee, we are willing to the White House’s help if they are sincere about wanting to share this information and have the oversight functions performed, they are to be facilitating this.”

He added, “But as yet we have not been able to attain those documents available to the full committee.”